Home / 135,588.17-186,877.98-90,184.97

Finding the Fourth Proportional to 135,588.17, 186,877.98 and 90,184.97

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Solution

The fourth proportional to 135,588.17, 186,877.98 and 90,184.97 is: 124,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,588.17 : 186,877.98 = 90,184.97 : x
  2. Step 2: Convert to fraction form
    135,588.17/186,877.98 = 90,184.97/x
  3. Step 3: Cross multiply
    135,588.17x = 186,877.98 × 90,184.97
  4. Step 4: Simplify right side
    135,588.17x = 16,853,584,085.57
  5. Step 5: Solve for x
    x = 16,853,584,085.57/135,588.17
  6. Step 6: Final answer
    x = 124,299.82

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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.