Home / 157,902.20-218,050.54-101,411.98

Finding the Fourth Proportional to 157,902.20, 218,050.54 and 101,411.98

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Solution

The fourth proportional to 157,902.20, 218,050.54 and 101,411.98 is: 140,041.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,902.20 : 218,050.54 = 101,411.98 : x
  2. Step 2: Convert to fraction form
    157,902.20/218,050.54 = 101,411.98/x
  3. Step 3: Cross multiply
    157,902.20x = 218,050.54 × 101,411.98
  4. Step 4: Simplify right side
    157,902.20x = 22,112,937,001.47
  5. Step 5: Solve for x
    x = 22,112,937,001.47/157,902.20
  6. Step 6: Final answer
    x = 140,041.98

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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.