Home / 83,189.28-124,725.48-29,140.74

Finding the Fourth Proportional to 83,189.28, 124,725.48 and 29,140.74

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Solution

The fourth proportional to 83,189.28, 124,725.48 and 29,140.74 is: 43,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,189.28 : 124,725.48 = 29,140.74 : x
  2. Step 2: Convert to fraction form
    83,189.28/124,725.48 = 29,140.74/x
  3. Step 3: Cross multiply
    83,189.28x = 124,725.48 × 29,140.74
  4. Step 4: Simplify right side
    83,189.28x = 3,634,592,784.06
  5. Step 5: Solve for x
    x = 3,634,592,784.06/83,189.28
  6. Step 6: Final answer
    x = 43,690.64

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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.