Home / 149,431.68-224,147.52-86,348.16

Finding the Fourth Proportional to 149,431.68, 224,147.52 and 86,348.16

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Solution

The fourth proportional to 149,431.68, 224,147.52 and 86,348.16 is: 129,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,431.68 : 224,147.52 = 86,348.16 : x
  2. Step 2: Convert to fraction form
    149,431.68/224,147.52 = 86,348.16/x
  3. Step 3: Cross multiply
    149,431.68x = 224,147.52 × 86,348.16
  4. Step 4: Simplify right side
    149,431.68x = 19,354,725,920.56
  5. Step 5: Solve for x
    x = 19,354,725,920.56/149,431.68
  6. Step 6: Final answer
    x = 129,522.24

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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.