Home / 175,445.43-242,100-103,812.90

Finding the Fourth Proportional to 175,445.43, 242,100 and 103,812.90

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Solution

The fourth proportional to 175,445.43, 242,100 and 103,812.90 is: 143,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,445.43 : 242,100 = 103,812.90 : x
  2. Step 2: Convert to fraction form
    175,445.43/242,100 = 103,812.90/x
  3. Step 3: Cross multiply
    175,445.43x = 242,100 × 103,812.90
  4. Step 4: Simplify right side
    175,445.43x = 25,133,103,090
  5. Step 5: Solve for x
    x = 25,133,103,090/175,445.43
  6. Step 6: Final answer
    x = 143,253.11

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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.