Home / 157,002.23-216,661.02-85,380.71

Finding the Fourth Proportional to 157,002.23, 216,661.02 and 85,380.71

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Solution

The fourth proportional to 157,002.23, 216,661.02 and 85,380.71 is: 117,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,002.23 : 216,661.02 = 85,380.71 : x
  2. Step 2: Convert to fraction form
    157,002.23/216,661.02 = 85,380.71/x
  3. Step 3: Cross multiply
    157,002.23x = 216,661.02 × 85,380.71
  4. Step 4: Simplify right side
    157,002.23x = 18,498,670,633.62
  5. Step 5: Solve for x
    x = 18,498,670,633.62/157,002.23
  6. Step 6: Final answer
    x = 117,824.26

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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.