Home / 113,927.88-157,208.16-67,979.04

Finding the Fourth Proportional to 113,927.88, 157,208.16 and 67,979.04

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Solution

The fourth proportional to 113,927.88, 157,208.16 and 67,979.04 is: 93,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,927.88 : 157,208.16 = 67,979.04 : x
  2. Step 2: Convert to fraction form
    113,927.88/157,208.16 = 67,979.04/x
  3. Step 3: Cross multiply
    113,927.88x = 157,208.16 × 67,979.04
  4. Step 4: Simplify right side
    113,927.88x = 10,686,859,796.97
  5. Step 5: Solve for x
    x = 10,686,859,796.97/113,927.88
  6. Step 6: Final answer
    x = 93,803.73

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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.