Home / 125,011.57-172,515.97-68,422.94

Finding the Fourth Proportional to 125,011.57, 172,515.97 and 68,422.94

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Solution

The fourth proportional to 125,011.57, 172,515.97 and 68,422.94 is: 94,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,011.57 : 172,515.97 = 68,422.94 : x
  2. Step 2: Convert to fraction form
    125,011.57/172,515.97 = 68,422.94/x
  3. Step 3: Cross multiply
    125,011.57x = 172,515.97 × 68,422.94
  4. Step 4: Simplify right side
    125,011.57x = 11,804,049,864.35
  5. Step 5: Solve for x
    x = 11,804,049,864.35/125,011.57
  6. Step 6: Final answer
    x = 94,423.66

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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.