Home / 179,475.12-247,677.35-98,905.55

Finding the Fourth Proportional to 179,475.12, 247,677.35 and 98,905.55

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Solution

The fourth proportional to 179,475.12, 247,677.35 and 98,905.55 is: 136,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,475.12 : 247,677.35 = 98,905.55 : x
  2. Step 2: Convert to fraction form
    179,475.12/247,677.35 = 98,905.55/x
  3. Step 3: Cross multiply
    179,475.12x = 247,677.35 × 98,905.55
  4. Step 4: Simplify right side
    179,475.12x = 24,496,662,791.38
  5. Step 5: Solve for x
    x = 24,496,662,791.38/179,475.12
  6. Step 6: Final answer
    x = 136,490.58

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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.