Home / 163,397.56-245,306.24-125,981.40

Finding the Fourth Proportional to 163,397.56, 245,306.24 and 125,981.40

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Solution

The fourth proportional to 163,397.56, 245,306.24 and 125,981.40 is: 189,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,397.56 : 245,306.24 = 125,981.40 : x
  2. Step 2: Convert to fraction form
    163,397.56/245,306.24 = 125,981.40/x
  3. Step 3: Cross multiply
    163,397.56x = 245,306.24 × 125,981.40
  4. Step 4: Simplify right side
    163,397.56x = 30,904,023,543.94
  5. Step 5: Solve for x
    x = 30,904,023,543.94/163,397.56
  6. Step 6: Final answer
    x = 189,133.94

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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.