Home / 142,931.94-197,281.92-97,069.19

Finding the Fourth Proportional to 142,931.94, 197,281.92 and 97,069.19

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Solution

The fourth proportional to 142,931.94, 197,281.92 and 97,069.19 is: 133,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,931.94 : 197,281.92 = 97,069.19 : x
  2. Step 2: Convert to fraction form
    142,931.94/197,281.92 = 97,069.19/x
  3. Step 3: Cross multiply
    142,931.94x = 197,281.92 × 97,069.19
  4. Step 4: Simplify right side
    142,931.94x = 19,149,995,553.64
  5. Step 5: Solve for x
    x = 19,149,995,553.64/142,931.94
  6. Step 6: Final answer
    x = 133,979.82

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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.