Home / 95,130.35-131,280.85-57,397.31

Finding the Fourth Proportional to 95,130.35, 131,280.85 and 57,397.31

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Solution

The fourth proportional to 95,130.35, 131,280.85 and 57,397.31 is: 79,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,130.35 : 131,280.85 = 57,397.31 : x
  2. Step 2: Convert to fraction form
    95,130.35/131,280.85 = 57,397.31/x
  3. Step 3: Cross multiply
    95,130.35x = 131,280.85 × 57,397.31
  4. Step 4: Simplify right side
    95,130.35x = 7,535,168,044.46
  5. Step 5: Solve for x
    x = 7,535,168,044.46/95,130.35
  6. Step 6: Final answer
    x = 79,208.87

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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.