Home / 179,710.20-247,999.36-99,142.74

Finding the Fourth Proportional to 179,710.20, 247,999.36 and 99,142.74

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Solution

The fourth proportional to 179,710.20, 247,999.36 and 99,142.74 is: 136,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,710.20 : 247,999.36 = 99,142.74 : x
  2. Step 2: Convert to fraction form
    179,710.20/247,999.36 = 99,142.74/x
  3. Step 3: Cross multiply
    179,710.20x = 247,999.36 × 99,142.74
  4. Step 4: Simplify right side
    179,710.20x = 24,587,336,068.65
  5. Step 5: Solve for x
    x = 24,587,336,068.65/179,710.20
  6. Step 6: Final answer
    x = 136,816.59

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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.