Home / 157,424.30-236,136.45-52,246.70

Finding the Fourth Proportional to 157,424.30, 236,136.45 and 52,246.70

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Solution

The fourth proportional to 157,424.30, 236,136.45 and 52,246.70 is: 78,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,424.30 : 236,136.45 = 52,246.70 : x
  2. Step 2: Convert to fraction form
    157,424.30/236,136.45 = 52,246.70/x
  3. Step 3: Cross multiply
    157,424.30x = 236,136.45 × 52,246.70
  4. Step 4: Simplify right side
    157,424.30x = 12,337,350,262.22
  5. Step 5: Solve for x
    x = 12,337,350,262.22/157,424.30
  6. Step 6: Final answer
    x = 78,370.05

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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.