Home / 77,136.86-115,713.80-24,534.05

Finding the Fourth Proportional to 77,136.86, 115,713.80 and 24,534.05

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Solution

The fourth proportional to 77,136.86, 115,713.80 and 24,534.05 is: 36,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,136.86 : 115,713.80 = 24,534.05 : x
  2. Step 2: Convert to fraction form
    77,136.86/115,713.80 = 24,534.05/x
  3. Step 3: Cross multiply
    77,136.86x = 115,713.80 × 24,534.05
  4. Step 4: Simplify right side
    77,136.86x = 2,838,927,545.65
  5. Step 5: Solve for x
    x = 2,838,927,545.65/77,136.86
  6. Step 6: Final answer
    x = 36,803.77

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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.