Home / 209,844.32-289,551.28-124,959.20

Finding the Fourth Proportional to 209,844.32, 289,551.28 and 124,959.20

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Solution

The fourth proportional to 209,844.32, 289,551.28 and 124,959.20 is: 172,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,844.32 : 289,551.28 = 124,959.20 : x
  2. Step 2: Convert to fraction form
    209,844.32/289,551.28 = 124,959.20/x
  3. Step 3: Cross multiply
    209,844.32x = 289,551.28 × 124,959.20
  4. Step 4: Simplify right side
    209,844.32x = 36,182,096,307.78
  5. Step 5: Solve for x
    x = 36,182,096,307.78/209,844.32
  6. Step 6: Final answer
    x = 172,423.52

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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.