Home / 90,103.09-124,199.11-70,952.48

Finding the Fourth Proportional to 90,103.09, 124,199.11 and 70,952.48

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Solution

The fourth proportional to 90,103.09, 124,199.11 and 70,952.48 is: 97,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,103.09 : 124,199.11 = 70,952.48 : x
  2. Step 2: Convert to fraction form
    90,103.09/124,199.11 = 70,952.48/x
  3. Step 3: Cross multiply
    90,103.09x = 124,199.11 × 70,952.48
  4. Step 4: Simplify right side
    90,103.09x = 8,812,234,868.29
  5. Step 5: Solve for x
    x = 8,812,234,868.29/90,103.09
  6. Step 6: Final answer
    x = 97,801.69

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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.