Home / 149,679.40-224,519.10-144,430.60

Finding the Fourth Proportional to 149,679.40, 224,519.10 and 144,430.60

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Solution

The fourth proportional to 149,679.40, 224,519.10 and 144,430.60 is: 216,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,679.40 : 224,519.10 = 144,430.60 : x
  2. Step 2: Convert to fraction form
    149,679.40/224,519.10 = 144,430.60/x
  3. Step 3: Cross multiply
    149,679.40x = 224,519.10 × 144,430.60
  4. Step 4: Simplify right side
    149,679.40x = 32,427,428,324.46
  5. Step 5: Solve for x
    x = 32,427,428,324.46/149,679.40
  6. Step 6: Final answer
    x = 216,645.90

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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.