Home / 176,852.80-244,276.16-128,377.28

Finding the Fourth Proportional to 176,852.80, 244,276.16 and 128,377.28

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Solution

The fourth proportional to 176,852.80, 244,276.16 and 128,377.28 is: 177,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,852.80 : 244,276.16 = 128,377.28 : x
  2. Step 2: Convert to fraction form
    176,852.80/244,276.16 = 128,377.28/x
  3. Step 3: Cross multiply
    176,852.80x = 244,276.16 × 128,377.28
  4. Step 4: Simplify right side
    176,852.80x = 31,359,508,989.64
  5. Step 5: Solve for x
    x = 31,359,508,989.64/176,852.80
  6. Step 6: Final answer
    x = 177,319.83

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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.