Home / 210,176.28-290,080.80-125,298.72

Finding the Fourth Proportional to 210,176.28, 290,080.80 and 125,298.72

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Solution

The fourth proportional to 210,176.28, 290,080.80 and 125,298.72 is: 172,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,176.28 : 290,080.80 = 125,298.72 : x
  2. Step 2: Convert to fraction form
    210,176.28/290,080.80 = 125,298.72/x
  3. Step 3: Cross multiply
    210,176.28x = 290,080.80 × 125,298.72
  4. Step 4: Simplify right side
    210,176.28x = 36,346,752,936.58
  5. Step 5: Solve for x
    x = 36,346,752,936.58/210,176.28
  6. Step 6: Final answer
    x = 172,934.61

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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.