Home / 158,534.86-218,892.93-102,044.65

Finding the Fourth Proportional to 158,534.86, 218,892.93 and 102,044.65

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Solution

The fourth proportional to 158,534.86, 218,892.93 and 102,044.65 is: 140,895.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,534.86 : 218,892.93 = 102,044.65 : x
  2. Step 2: Convert to fraction form
    158,534.86/218,892.93 = 102,044.65/x
  3. Step 3: Cross multiply
    158,534.86x = 218,892.93 × 102,044.65
  4. Step 4: Simplify right side
    158,534.86x = 22,336,851,909.85
  5. Step 5: Solve for x
    x = 22,336,851,909.85/158,534.86
  6. Step 6: Final answer
    x = 140,895.52

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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.