Home / 102,864.24-141,952-57,542

Finding the Fourth Proportional to 102,864.24, 141,952 and 57,542

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Solution

The fourth proportional to 102,864.24, 141,952 and 57,542 is: 79,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,864.24 : 141,952 = 57,542 : x
  2. Step 2: Convert to fraction form
    102,864.24/141,952 = 57,542/x
  3. Step 3: Cross multiply
    102,864.24x = 141,952 × 57,542
  4. Step 4: Simplify right side
    102,864.24x = 8,168,201,984
  5. Step 5: Solve for x
    x = 8,168,201,984/102,864.24
  6. Step 6: Final answer
    x = 79,407.60

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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.