Home / 176,840.68-244,065.35-100,378.71

Finding the Fourth Proportional to 176,840.68, 244,065.35 and 100,378.71

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Solution

The fourth proportional to 176,840.68, 244,065.35 and 100,378.71 is: 138,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,840.68 : 244,065.35 = 100,378.71 : x
  2. Step 2: Convert to fraction form
    176,840.68/244,065.35 = 100,378.71/x
  3. Step 3: Cross multiply
    176,840.68x = 244,065.35 × 100,378.71
  4. Step 4: Simplify right side
    176,840.68x = 24,498,964,988.70
  5. Step 5: Solve for x
    x = 24,498,964,988.70/176,840.68
  6. Step 6: Final answer
    x = 138,536.93

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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.