Home / 175,961.16-242,823.42-99,479.07

Finding the Fourth Proportional to 175,961.16, 242,823.42 and 99,479.07

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Solution

The fourth proportional to 175,961.16, 242,823.42 and 99,479.07 is: 137,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,961.16 : 242,823.42 = 99,479.07 : x
  2. Step 2: Convert to fraction form
    175,961.16/242,823.42 = 99,479.07/x
  3. Step 3: Cross multiply
    175,961.16x = 242,823.42 × 99,479.07
  4. Step 4: Simplify right side
    175,961.16x = 24,155,847,995.82
  5. Step 5: Solve for x
    x = 24,155,847,995.82/175,961.16
  6. Step 6: Final answer
    x = 137,279.43

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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.