Home / 102,904.80-142,025.04-60,473.76

Finding the Fourth Proportional to 102,904.80, 142,025.04 and 60,473.76

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Solution

The fourth proportional to 102,904.80, 142,025.04 and 60,473.76 is: 83,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,904.80 : 142,025.04 = 60,473.76 : x
  2. Step 2: Convert to fraction form
    102,904.80/142,025.04 = 60,473.76/x
  3. Step 3: Cross multiply
    102,904.80x = 142,025.04 × 60,473.76
  4. Step 4: Simplify right side
    102,904.80x = 8,588,788,182.95
  5. Step 5: Solve for x
    x = 8,588,788,182.95/102,904.80
  6. Step 6: Final answer
    x = 83,463.44

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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.