Home / 145,145.92-217,685.76-39,974.08

Finding the Fourth Proportional to 145,145.92, 217,685.76 and 39,974.08

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Solution

The fourth proportional to 145,145.92, 217,685.76 and 39,974.08 is: 59,952.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,145.92 : 217,685.76 = 39,974.08 : x
  2. Step 2: Convert to fraction form
    145,145.92/217,685.76 = 39,974.08/x
  3. Step 3: Cross multiply
    145,145.92x = 217,685.76 × 39,974.08
  4. Step 4: Simplify right side
    145,145.92x = 8,701,787,985.10
  5. Step 5: Solve for x
    x = 8,701,787,985.10/145,145.92
  6. Step 6: Final answer
    x = 59,952.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.