Home / 118,572.05-163,627.13-64,856.90

Finding the Fourth Proportional to 118,572.05, 163,627.13 and 64,856.90

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Solution

The fourth proportional to 118,572.05, 163,627.13 and 64,856.90 is: 89,501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,572.05 : 163,627.13 = 64,856.90 : x
  2. Step 2: Convert to fraction form
    118,572.05/163,627.13 = 64,856.90/x
  3. Step 3: Cross multiply
    118,572.05x = 163,627.13 × 64,856.90
  4. Step 4: Simplify right side
    118,572.05x = 10,612,347,265.28
  5. Step 5: Solve for x
    x = 10,612,347,265.28/118,572.05
  6. Step 6: Final answer
    x = 89,501.26

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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.