Home / 178,234-245,962.92-106,617.04

Finding the Fourth Proportional to 178,234, 245,962.92 and 106,617.04

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Solution

The fourth proportional to 178,234, 245,962.92 and 106,617.04 is: 147,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,234 : 245,962.92 = 106,617.04 : x
  2. Step 2: Convert to fraction form
    178,234/245,962.92 = 106,617.04/x
  3. Step 3: Cross multiply
    178,234x = 245,962.92 × 106,617.04
  4. Step 4: Simplify right side
    178,234x = 26,223,838,480.16
  5. Step 5: Solve for x
    x = 26,223,838,480.16/178,234
  6. Step 6: Final answer
    x = 147,131.52

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1.5x scale

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.