Home / 72,911.18-109,301.16-26,153.12

Finding the Fourth Proportional to 72,911.18, 109,301.16 and 26,153.12

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Solution

The fourth proportional to 72,911.18, 109,301.16 and 26,153.12 is: 39,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,911.18 : 109,301.16 = 26,153.12 : x
  2. Step 2: Convert to fraction form
    72,911.18/109,301.16 = 26,153.12/x
  3. Step 3: Cross multiply
    72,911.18x = 109,301.16 × 26,153.12
  4. Step 4: Simplify right side
    72,911.18x = 2,858,566,353.62
  5. Step 5: Solve for x
    x = 2,858,566,353.62/72,911.18
  6. Step 6: Final answer
    x = 39,206.15

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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.