Home / 95,247.60-142,920-39,130.80

Finding the Fourth Proportional to 95,247.60, 142,920 and 39,130.80

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Solution

The fourth proportional to 95,247.60, 142,920 and 39,130.80 is: 58,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,247.60 : 142,920 = 39,130.80 : x
  2. Step 2: Convert to fraction form
    95,247.60/142,920 = 39,130.80/x
  3. Step 3: Cross multiply
    95,247.60x = 142,920 × 39,130.80
  4. Step 4: Simplify right side
    95,247.60x = 5,592,573,936
  5. Step 5: Solve for x
    x = 5,592,573,936/95,247.60
  6. Step 6: Final answer
    x = 58,716.17

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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.