Home / 172,024.04-258,066.32-78,539.24

Finding the Fourth Proportional to 172,024.04, 258,066.32 and 78,539.24

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Solution

The fourth proportional to 172,024.04, 258,066.32 and 78,539.24 is: 117,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,024.04 : 258,066.32 = 78,539.24 : x
  2. Step 2: Convert to fraction form
    172,024.04/258,066.32 = 78,539.24/x
  3. Step 3: Cross multiply
    172,024.04x = 258,066.32 × 78,539.24
  4. Step 4: Simplify right side
    172,024.04x = 20,268,332,642.40
  5. Step 5: Solve for x
    x = 20,268,332,642.40/172,024.04
  6. Step 6: Final answer
    x = 117,822.68

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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.