Home / 117,664.79-176,518.35-42,889.85

Finding the Fourth Proportional to 117,664.79, 176,518.35 and 42,889.85

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Solution

The fourth proportional to 117,664.79, 176,518.35 and 42,889.85 is: 64,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,664.79 : 176,518.35 = 42,889.85 : x
  2. Step 2: Convert to fraction form
    117,664.79/176,518.35 = 42,889.85/x
  3. Step 3: Cross multiply
    117,664.79x = 176,518.35 × 42,889.85
  4. Step 4: Simplify right side
    117,664.79x = 7,570,844,671.16
  5. Step 5: Solve for x
    x = 7,570,844,671.16/117,664.79
  6. Step 6: Final answer
    x = 64,342.48

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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.