Home / 172,036.04-258,084.32-78,551.24

Finding the Fourth Proportional to 172,036.04, 258,084.32 and 78,551.24

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Solution

The fourth proportional to 172,036.04, 258,084.32 and 78,551.24 is: 117,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,036.04 : 258,084.32 = 78,551.24 : x
  2. Step 2: Convert to fraction form
    172,036.04/258,084.32 = 78,551.24/x
  3. Step 3: Cross multiply
    172,036.04x = 258,084.32 × 78,551.24
  4. Step 4: Simplify right side
    172,036.04x = 20,272,843,360.56
  5. Step 5: Solve for x
    x = 20,272,843,360.56/172,036.04
  6. Step 6: Final answer
    x = 117,840.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.