Home / 124,376.04-171,640.62-67,787.28

Finding the Fourth Proportional to 124,376.04, 171,640.62 and 67,787.28

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Solution

The fourth proportional to 124,376.04, 171,640.62 and 67,787.28 is: 93,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,376.04 : 171,640.62 = 67,787.28 : x
  2. Step 2: Convert to fraction form
    124,376.04/171,640.62 = 67,787.28/x
  3. Step 3: Cross multiply
    124,376.04x = 171,640.62 × 67,787.28
  4. Step 4: Simplify right side
    124,376.04x = 11,635,050,767.31
  5. Step 5: Solve for x
    x = 11,635,050,767.31/124,376.04
  6. Step 6: Final answer
    x = 93,547.36

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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.