Home / 124,751.16-172,152.78-68,162.46

Finding the Fourth Proportional to 124,751.16, 172,152.78 and 68,162.46

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Solution

The fourth proportional to 124,751.16, 172,152.78 and 68,162.46 is: 94,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,751.16 : 172,152.78 = 68,162.46 : x
  2. Step 2: Convert to fraction form
    124,751.16/172,152.78 = 68,162.46/x
  3. Step 3: Cross multiply
    124,751.16x = 172,152.78 × 68,162.46
  4. Step 4: Simplify right side
    124,751.16x = 11,734,356,980.64
  5. Step 5: Solve for x
    x = 11,734,356,980.64/124,751.16
  6. Step 6: Final answer
    x = 94,062.11

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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.