Home / 117,905.76-162,713.34-64,191.69

Finding the Fourth Proportional to 117,905.76, 162,713.34 and 64,191.69

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Solution

The fourth proportional to 117,905.76, 162,713.34 and 64,191.69 is: 88,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,905.76 : 162,713.34 = 64,191.69 : x
  2. Step 2: Convert to fraction form
    117,905.76/162,713.34 = 64,191.69/x
  3. Step 3: Cross multiply
    117,905.76x = 162,713.34 × 64,191.69
  4. Step 4: Simplify right side
    117,905.76x = 10,444,844,280.14
  5. Step 5: Solve for x
    x = 10,444,844,280.14/117,905.76
  6. Step 6: Final answer
    x = 88,586.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.