Home / 345,114.10-517,363.35-134,703.10

Finding the Fourth Proportional to 345,114.10, 517,363.35 and 134,703.10

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Solution

The fourth proportional to 345,114.10, 517,363.35 and 134,703.10 is: 201,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,114.10 : 517,363.35 = 134,703.10 : x
  2. Step 2: Convert to fraction form
    345,114.10/517,363.35 = 134,703.10/x
  3. Step 3: Cross multiply
    345,114.10x = 517,363.35 × 134,703.10
  4. Step 4: Simplify right side
    345,114.10x = 69,690,447,071.39
  5. Step 5: Solve for x
    x = 69,690,447,071.39/345,114.10
  6. Step 6: Final answer
    x = 201,934.51

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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.