Home / 122,117.15-182,937.24-84,159.69

Finding the Fourth Proportional to 122,117.15, 182,937.24 and 84,159.69

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Solution

The fourth proportional to 122,117.15, 182,937.24 and 84,159.69 is: 126,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,117.15 : 182,937.24 = 84,159.69 : x
  2. Step 2: Convert to fraction form
    122,117.15/182,937.24 = 84,159.69/x
  3. Step 3: Cross multiply
    122,117.15x = 182,937.24 × 84,159.69
  4. Step 4: Simplify right side
    122,117.15x = 15,395,941,407.86
  5. Step 5: Solve for x
    x = 15,395,941,407.86/122,117.15
  6. Step 6: Final answer
    x = 126,075.18

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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.