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Finding the Fourth Proportional to 117,737.70, 176,606.55 and 104,907.30

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Solution

The fourth proportional to 117,737.70, 176,606.55 and 104,907.30 is: 157,360.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,737.70 : 176,606.55 = 104,907.30 : x
  2. Step 2: Convert to fraction form
    117,737.70/176,606.55 = 104,907.30/x
  3. Step 3: Cross multiply
    117,737.70x = 176,606.55 × 104,907.30
  4. Step 4: Simplify right side
    117,737.70x = 18,527,316,322.82
  5. Step 5: Solve for x
    x = 18,527,316,322.82/117,737.70
  6. Step 6: Final answer
    x = 157,360.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.