Home / 276,681.15-415,068.98-126,934.25

Finding the Fourth Proportional to 276,681.15, 415,068.98 and 126,934.25

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Solution

The fourth proportional to 276,681.15, 415,068.98 and 126,934.25 is: 190,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,681.15 : 415,068.98 = 126,934.25 : x
  2. Step 2: Convert to fraction form
    276,681.15/415,068.98 = 126,934.25/x
  3. Step 3: Cross multiply
    276,681.15x = 415,068.98 × 126,934.25
  4. Step 4: Simplify right side
    276,681.15x = 52,686,466,964.55
  5. Step 5: Solve for x
    x = 52,686,466,964.55/276,681.15
  6. Step 6: Final answer
    x = 190,423.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.