Home / 149,769.36-224,543.34-90,590.76

Finding the Fourth Proportional to 149,769.36, 224,543.34 and 90,590.76

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Solution

The fourth proportional to 149,769.36, 224,543.34 and 90,590.76 is: 135,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,769.36 : 224,543.34 = 90,590.76 : x
  2. Step 2: Convert to fraction form
    149,769.36/224,543.34 = 90,590.76/x
  3. Step 3: Cross multiply
    149,769.36x = 224,543.34 × 90,590.76
  4. Step 4: Simplify right side
    149,769.36x = 20,341,551,823.54
  5. Step 5: Solve for x
    x = 20,341,551,823.54/149,769.36
  6. Step 6: Final answer
    x = 135,819.18

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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.