Home / 102,373.04-141,272.64-57,050.80

Finding the Fourth Proportional to 102,373.04, 141,272.64 and 57,050.80

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Solution

The fourth proportional to 102,373.04, 141,272.64 and 57,050.80 is: 78,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,373.04 : 141,272.64 = 57,050.80 : x
  2. Step 2: Convert to fraction form
    102,373.04/141,272.64 = 57,050.80/x
  3. Step 3: Cross multiply
    102,373.04x = 141,272.64 × 57,050.80
  4. Step 4: Simplify right side
    102,373.04x = 8,059,717,130.11
  5. Step 5: Solve for x
    x = 8,059,717,130.11/102,373.04
  6. Step 6: Final answer
    x = 78,728.90

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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.