Home / 126,230.99-174,167.62-77,160.04

Finding the Fourth Proportional to 126,230.99, 174,167.62 and 77,160.04

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Solution

The fourth proportional to 126,230.99, 174,167.62 and 77,160.04 is: 106,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,230.99 : 174,167.62 = 77,160.04 : x
  2. Step 2: Convert to fraction form
    126,230.99/174,167.62 = 77,160.04/x
  3. Step 3: Cross multiply
    126,230.99x = 174,167.62 × 77,160.04
  4. Step 4: Simplify right side
    126,230.99x = 13,438,779,897.59
  5. Step 5: Solve for x
    x = 13,438,779,897.59/126,230.99
  6. Step 6: Final answer
    x = 106,461.82

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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.