Home / 102,089.28-140,883.66-59,638.80

Finding the Fourth Proportional to 102,089.28, 140,883.66 and 59,638.80

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Solution

The fourth proportional to 102,089.28, 140,883.66 and 59,638.80 is: 82,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,089.28 : 140,883.66 = 59,638.80 : x
  2. Step 2: Convert to fraction form
    102,089.28/140,883.66 = 59,638.80/x
  3. Step 3: Cross multiply
    102,089.28x = 140,883.66 × 59,638.80
  4. Step 4: Simplify right side
    102,089.28x = 8,402,132,422.01
  5. Step 5: Solve for x
    x = 8,402,132,422.01/102,089.28
  6. Step 6: Final answer
    x = 82,301.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.