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Finding the Fourth Proportional to 149,830.82, 224,744.68 and 86,610.71

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Solution

The fourth proportional to 149,830.82, 224,744.68 and 86,610.71 is: 129,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,830.82 : 224,744.68 = 86,610.71 : x
  2. Step 2: Convert to fraction form
    149,830.82/224,744.68 = 86,610.71/x
  3. Step 3: Cross multiply
    149,830.82x = 224,744.68 × 86,610.71
  4. Step 4: Simplify right side
    149,830.82x = 19,465,296,303.52
  5. Step 5: Solve for x
    x = 19,465,296,303.52/149,830.82
  6. Step 6: Final answer
    x = 129,915.17

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1.5x scale

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.