Home / 149,000.48-223,407.28-55,429.28

Finding the Fourth Proportional to 149,000.48, 223,407.28 and 55,429.28

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Solution

The fourth proportional to 149,000.48, 223,407.28 and 55,429.28 is: 83,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,000.48 : 223,407.28 = 55,429.28 : x
  2. Step 2: Convert to fraction form
    149,000.48/223,407.28 = 55,429.28/x
  3. Step 3: Cross multiply
    149,000.48x = 223,407.28 × 55,429.28
  4. Step 4: Simplify right side
    149,000.48x = 12,383,304,677.16
  5. Step 5: Solve for x
    x = 12,383,304,677.16/149,000.48
  6. Step 6: Final answer
    x = 83,109.16

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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.