Home / 149,962.60-224,907.90-86,645.80

Finding the Fourth Proportional to 149,962.60, 224,907.90 and 86,645.80

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Solution

The fourth proportional to 149,962.60, 224,907.90 and 86,645.80 is: 129,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,962.60 : 224,907.90 = 86,645.80 : x
  2. Step 2: Convert to fraction form
    149,962.60/224,907.90 = 86,645.80/x
  3. Step 3: Cross multiply
    149,962.60x = 224,907.90 × 86,645.80
  4. Step 4: Simplify right side
    149,962.60x = 19,487,324,921.82
  5. Step 5: Solve for x
    x = 19,487,324,921.82/149,962.60
  6. Step 6: Final answer
    x = 129,947.90

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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.