Home / 149,752.80-224,337.60-90,412.20

Finding the Fourth Proportional to 149,752.80, 224,337.60 and 90,412.20

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Solution

The fourth proportional to 149,752.80, 224,337.60 and 90,412.20 is: 135,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,752.80 : 224,337.60 = 90,412.20 : x
  2. Step 2: Convert to fraction form
    149,752.80/224,337.60 = 90,412.20/x
  3. Step 3: Cross multiply
    149,752.80x = 224,337.60 × 90,412.20
  4. Step 4: Simplify right side
    149,752.80x = 20,282,855,958.72
  5. Step 5: Solve for x
    x = 20,282,855,958.72/149,752.80
  6. Step 6: Final answer
    x = 135,442.25

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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.