Home / 142,955.04-214,377.84-48,159.76

Finding the Fourth Proportional to 142,955.04, 214,377.84 and 48,159.76

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Solution

The fourth proportional to 142,955.04, 214,377.84 and 48,159.76 is: 72,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,955.04 : 214,377.84 = 48,159.76 : x
  2. Step 2: Convert to fraction form
    142,955.04/214,377.84 = 48,159.76/x
  3. Step 3: Cross multiply
    142,955.04x = 214,377.84 × 48,159.76
  4. Step 4: Simplify right side
    142,955.04x = 10,324,385,323.72
  5. Step 5: Solve for x
    x = 10,324,385,323.72/142,955.04
  6. Step 6: Final answer
    x = 72,221.21

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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.