Home / 124,900.86-172,366.83-68,316.06

Finding the Fourth Proportional to 124,900.86, 172,366.83 and 68,316.06

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Solution

The fourth proportional to 124,900.86, 172,366.83 and 68,316.06 is: 94,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,900.86 : 172,366.83 = 68,316.06 : x
  2. Step 2: Convert to fraction form
    124,900.86/172,366.83 = 68,316.06/x
  3. Step 3: Cross multiply
    124,900.86x = 172,366.83 × 68,316.06
  4. Step 4: Simplify right side
    124,900.86x = 11,775,422,700.29
  5. Step 5: Solve for x
    x = 11,775,422,700.29/124,900.86
  6. Step 6: Final answer
    x = 94,278.16

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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.