Home / 90,739.08-136,108.16-23,270.83

Finding the Fourth Proportional to 90,739.08, 136,108.16 and 23,270.83

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Solution

The fourth proportional to 90,739.08, 136,108.16 and 23,270.83 is: 34,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,739.08 : 136,108.16 = 23,270.83 : x
  2. Step 2: Convert to fraction form
    90,739.08/136,108.16 = 23,270.83/x
  3. Step 3: Cross multiply
    90,739.08x = 136,108.16 × 23,270.83
  4. Step 4: Simplify right side
    90,739.08x = 3,167,349,483.61
  5. Step 5: Solve for x
    x = 3,167,349,483.61/90,739.08
  6. Step 6: Final answer
    x = 34,906.12

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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.