Home / 99,316.36-137,059.22-53,997.40

Finding the Fourth Proportional to 99,316.36, 137,059.22 and 53,997.40

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Solution

The fourth proportional to 99,316.36, 137,059.22 and 53,997.40 is: 74,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,316.36 : 137,059.22 = 53,997.40 : x
  2. Step 2: Convert to fraction form
    99,316.36/137,059.22 = 53,997.40/x
  3. Step 3: Cross multiply
    99,316.36x = 137,059.22 × 53,997.40
  4. Step 4: Simplify right side
    99,316.36x = 7,400,841,832.35
  5. Step 5: Solve for x
    x = 7,400,841,832.35/99,316.36
  6. Step 6: Final answer
    x = 74,517.85

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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.