Home / 91,717.20-137,588.04-36,300.24

Finding the Fourth Proportional to 91,717.20, 137,588.04 and 36,300.24

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Solution

The fourth proportional to 91,717.20, 137,588.04 and 36,300.24 is: 54,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,717.20 : 137,588.04 = 36,300.24 : x
  2. Step 2: Convert to fraction form
    91,717.20/137,588.04 = 36,300.24/x
  3. Step 3: Cross multiply
    91,717.20x = 137,588.04 × 36,300.24
  4. Step 4: Simplify right side
    91,717.20x = 4,994,478,873.13
  5. Step 5: Solve for x
    x = 4,994,478,873.13/91,717.20
  6. Step 6: Final answer
    x = 54,455.20

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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.