Home / 124,291.71-171,521.69-67,703.09

Finding the Fourth Proportional to 124,291.71, 171,521.69 and 67,703.09

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Solution

The fourth proportional to 124,291.71, 171,521.69 and 67,703.09 is: 93,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,291.71 : 171,521.69 = 67,703.09 : x
  2. Step 2: Convert to fraction form
    124,291.71/171,521.69 = 67,703.09/x
  3. Step 3: Cross multiply
    124,291.71x = 171,521.69 × 67,703.09
  4. Step 4: Simplify right side
    124,291.71x = 11,612,547,218.90
  5. Step 5: Solve for x
    x = 11,612,547,218.90/124,291.71
  6. Step 6: Final answer
    x = 93,429.78

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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.