Home / 130,184.77-179,671.62-72,827.28

Finding the Fourth Proportional to 130,184.77, 179,671.62 and 72,827.28

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Solution

The fourth proportional to 130,184.77, 179,671.62 and 72,827.28 is: 100,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,184.77 : 179,671.62 = 72,827.28 : x
  2. Step 2: Convert to fraction form
    130,184.77/179,671.62 = 72,827.28/x
  3. Step 3: Cross multiply
    130,184.77x = 179,671.62 × 72,827.28
  4. Step 4: Simplify right side
    130,184.77x = 13,084,995,377.79
  5. Step 5: Solve for x
    x = 13,084,995,377.79/130,184.77
  6. Step 6: Final answer
    x = 100,510.95

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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.