Home / 94,646.48-142,622.60-85,761.40

Finding the Fourth Proportional to 94,646.48, 142,622.60 and 85,761.40

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Solution

The fourth proportional to 94,646.48, 142,622.60 and 85,761.40 is: 129,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,646.48 : 142,622.60 = 85,761.40 : x
  2. Step 2: Convert to fraction form
    94,646.48/142,622.60 = 85,761.40/x
  3. Step 3: Cross multiply
    94,646.48x = 142,622.60 × 85,761.40
  4. Step 4: Simplify right side
    94,646.48x = 12,231,513,847.64
  5. Step 5: Solve for x
    x = 12,231,513,847.64/94,646.48
  6. Step 6: Final answer
    x = 129,233.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.