Home / 134,920.10-202,207.35-103,600.10

Finding the Fourth Proportional to 134,920.10, 202,207.35 and 103,600.10

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Solution

The fourth proportional to 134,920.10, 202,207.35 and 103,600.10 is: 155,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,920.10 : 202,207.35 = 103,600.10 : x
  2. Step 2: Convert to fraction form
    134,920.10/202,207.35 = 103,600.10/x
  3. Step 3: Cross multiply
    134,920.10x = 202,207.35 × 103,600.10
  4. Step 4: Simplify right side
    134,920.10x = 20,948,701,680.74
  5. Step 5: Solve for x
    x = 20,948,701,680.74/134,920.10
  6. Step 6: Final answer
    x = 155,267.46

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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.