Home / 172,720.60-238,338.26-127,423.80

Finding the Fourth Proportional to 172,720.60, 238,338.26 and 127,423.80

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Solution

The fourth proportional to 172,720.60, 238,338.26 and 127,423.80 is: 175,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,720.60 : 238,338.26 = 127,423.80 : x
  2. Step 2: Convert to fraction form
    172,720.60/238,338.26 = 127,423.80/x
  3. Step 3: Cross multiply
    172,720.60x = 238,338.26 × 127,423.80
  4. Step 4: Simplify right side
    172,720.60x = 30,369,966,774.59
  5. Step 5: Solve for x
    x = 30,369,966,774.59/172,720.60
  6. Step 6: Final answer
    x = 175,832.92

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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.