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Finding the Fourth Proportional to 175,960.16, 242,822.04 and 99,478.10

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Solution

The fourth proportional to 175,960.16, 242,822.04 and 99,478.10 is: 137,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,960.16 : 242,822.04 = 99,478.10 : x
  2. Step 2: Convert to fraction form
    175,960.16/242,822.04 = 99,478.10/x
  3. Step 3: Cross multiply
    175,960.16x = 242,822.04 × 99,478.10
  4. Step 4: Simplify right side
    175,960.16x = 24,155,475,177.32
  5. Step 5: Solve for x
    x = 24,155,475,177.32/175,960.16
  6. Step 6: Final answer
    x = 137,278.09

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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.