Home / 179,042.27-247,017.78-101,509.58

Finding the Fourth Proportional to 179,042.27, 247,017.78 and 101,509.58

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Solution

The fourth proportional to 179,042.27, 247,017.78 and 101,509.58 is: 140,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,042.27 : 247,017.78 = 101,509.58 : x
  2. Step 2: Convert to fraction form
    179,042.27/247,017.78 = 101,509.58/x
  3. Step 3: Cross multiply
    179,042.27x = 247,017.78 × 101,509.58
  4. Step 4: Simplify right side
    179,042.27x = 25,074,669,865.24
  5. Step 5: Solve for x
    x = 25,074,669,865.24/179,042.27
  6. Step 6: Final answer
    x = 140,048.89

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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.