Home / 124,866.52-172,316.15-79,534.80

Finding the Fourth Proportional to 124,866.52, 172,316.15 and 79,534.80

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Solution

The fourth proportional to 124,866.52, 172,316.15 and 79,534.80 is: 109,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,866.52 : 172,316.15 = 79,534.80 : x
  2. Step 2: Convert to fraction form
    124,866.52/172,316.15 = 79,534.80/x
  3. Step 3: Cross multiply
    124,866.52x = 172,316.15 × 79,534.80
  4. Step 4: Simplify right side
    124,866.52x = 13,705,130,527.02
  5. Step 5: Solve for x
    x = 13,705,130,527.02/124,866.52
  6. Step 6: Final answer
    x = 109,758.25

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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.