Home / 179,707.38-247,985.55-99,135.06

Finding the Fourth Proportional to 179,707.38, 247,985.55 and 99,135.06

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Solution

The fourth proportional to 179,707.38, 247,985.55 and 99,135.06 is: 136,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,707.38 : 247,985.55 = 99,135.06 : x
  2. Step 2: Convert to fraction form
    179,707.38/247,985.55 = 99,135.06/x
  3. Step 3: Cross multiply
    179,707.38x = 247,985.55 × 99,135.06
  4. Step 4: Simplify right side
    179,707.38x = 24,584,062,378.38
  5. Step 5: Solve for x
    x = 24,584,062,378.38/179,707.38
  6. Step 6: Final answer
    x = 136,800.52

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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.