Home / 149,081.40-223,622.10-82,726.20

Finding the Fourth Proportional to 149,081.40, 223,622.10 and 82,726.20

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Solution

The fourth proportional to 149,081.40, 223,622.10 and 82,726.20 is: 124,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,081.40 : 223,622.10 = 82,726.20 : x
  2. Step 2: Convert to fraction form
    149,081.40/223,622.10 = 82,726.20/x
  3. Step 3: Cross multiply
    149,081.40x = 223,622.10 × 82,726.20
  4. Step 4: Simplify right side
    149,081.40x = 18,499,406,569.02
  5. Step 5: Solve for x
    x = 18,499,406,569.02/149,081.40
  6. Step 6: Final answer
    x = 124,089.30

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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.