Home / 175,939.60-242,829.15-100,488.10

Finding the Fourth Proportional to 175,939.60, 242,829.15 and 100,488.10

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Solution

The fourth proportional to 175,939.60, 242,829.15 and 100,488.10 is: 138,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,939.60 : 242,829.15 = 100,488.10 : x
  2. Step 2: Convert to fraction form
    175,939.60/242,829.15 = 100,488.10/x
  3. Step 3: Cross multiply
    175,939.60x = 242,829.15 × 100,488.10
  4. Step 4: Simplify right side
    175,939.60x = 24,401,439,908.12
  5. Step 5: Solve for x
    x = 24,401,439,908.12/175,939.60
  6. Step 6: Final answer
    x = 138,692.14

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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.