Home / 99,280.18-137,006.37-53,958.18

Finding the Fourth Proportional to 99,280.18, 137,006.37 and 53,958.18

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Solution

The fourth proportional to 99,280.18, 137,006.37 and 53,958.18 is: 74,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280.18 : 137,006.37 = 53,958.18 : x
  2. Step 2: Convert to fraction form
    99,280.18/137,006.37 = 53,958.18/x
  3. Step 3: Cross multiply
    99,280.18x = 137,006.37 × 53,958.18
  4. Step 4: Simplify right side
    99,280.18x = 7,392,614,887.38
  5. Step 5: Solve for x
    x = 7,392,614,887.38/99,280.18
  6. Step 6: Final answer
    x = 74,462.14

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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.