Home / 121,960.53-182,835.68-47,133.18

Finding the Fourth Proportional to 121,960.53, 182,835.68 and 47,133.18

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Solution

The fourth proportional to 121,960.53, 182,835.68 and 47,133.18 is: 70,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,960.53 : 182,835.68 = 47,133.18 : x
  2. Step 2: Convert to fraction form
    121,960.53/182,835.68 = 47,133.18/x
  3. Step 3: Cross multiply
    121,960.53x = 182,835.68 × 47,133.18
  4. Step 4: Simplify right side
    121,960.53x = 8,617,626,780.20
  5. Step 5: Solve for x
    x = 8,617,626,780.20/121,960.53
  6. Step 6: Final answer
    x = 70,659.15

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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.