Home / 90,068.75-135,103.13-23,508.30

Finding the Fourth Proportional to 90,068.75, 135,103.13 and 23,508.30

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Solution

The fourth proportional to 90,068.75, 135,103.13 and 23,508.30 is: 35,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,068.75 : 135,103.13 = 23,508.30 : x
  2. Step 2: Convert to fraction form
    90,068.75/135,103.13 = 23,508.30/x
  3. Step 3: Cross multiply
    90,068.75x = 135,103.13 × 23,508.30
  4. Step 4: Simplify right side
    90,068.75x = 3,176,044,881.59
  5. Step 5: Solve for x
    x = 3,176,044,881.59/90,068.75
  6. Step 6: Final answer
    x = 35,262.45

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1.5x scale

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.