Home / 150,136.12-207,262.82-86,461.61

Finding the Fourth Proportional to 150,136.12, 207,262.82 and 86,461.61

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Solution

The fourth proportional to 150,136.12, 207,262.82 and 86,461.61 is: 119,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,136.12 : 207,262.82 = 86,461.61 : x
  2. Step 2: Convert to fraction form
    150,136.12/207,262.82 = 86,461.61/x
  3. Step 3: Cross multiply
    150,136.12x = 207,262.82 × 86,461.61
  4. Step 4: Simplify right side
    150,136.12x = 17,920,276,678.03
  5. Step 5: Solve for x
    x = 17,920,276,678.03/150,136.12
  6. Step 6: Final answer
    x = 119,360.20

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1.5x scale

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.