Home / 149,623.20-224,323.20-90,446.40

Finding the Fourth Proportional to 149,623.20, 224,323.20 and 90,446.40

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Solution

The fourth proportional to 149,623.20, 224,323.20 and 90,446.40 is: 135,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,623.20 : 224,323.20 = 90,446.40 : x
  2. Step 2: Convert to fraction form
    149,623.20/224,323.20 = 90,446.40/x
  3. Step 3: Cross multiply
    149,623.20x = 224,323.20 × 90,446.40
  4. Step 4: Simplify right side
    149,623.20x = 20,289,225,876.48
  5. Step 5: Solve for x
    x = 20,289,225,876.48/149,623.20
  6. Step 6: Final answer
    x = 135,602.14

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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.