Home / 91,853.02-126,748.42-51,557.55

Finding the Fourth Proportional to 91,853.02, 126,748.42 and 51,557.55

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Solution

The fourth proportional to 91,853.02, 126,748.42 and 51,557.55 is: 71,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,853.02 : 126,748.42 = 51,557.55 : x
  2. Step 2: Convert to fraction form
    91,853.02/126,748.42 = 51,557.55/x
  3. Step 3: Cross multiply
    91,853.02x = 126,748.42 × 51,557.55
  4. Step 4: Simplify right side
    91,853.02x = 6,534,838,001.57
  5. Step 5: Solve for x
    x = 6,534,838,001.57/91,853.02
  6. Step 6: Final answer
    x = 71,144.51

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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.