Home / 90,079.08-134,971.10-30,882.92

Finding the Fourth Proportional to 90,079.08, 134,971.10 and 30,882.92

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Solution

The fourth proportional to 90,079.08, 134,971.10 and 30,882.92 is: 46,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,079.08 : 134,971.10 = 30,882.92 : x
  2. Step 2: Convert to fraction form
    90,079.08/134,971.10 = 30,882.92/x
  3. Step 3: Cross multiply
    90,079.08x = 134,971.10 × 30,882.92
  4. Step 4: Simplify right side
    90,079.08x = 4,168,301,683.61
  5. Step 5: Solve for x
    x = 4,168,301,683.61/90,079.08
  6. Step 6: Final answer
    x = 46,273.80

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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.