Home / 216,718.20-299,064.96-126,101.88

Finding the Fourth Proportional to 216,718.20, 299,064.96 and 126,101.88

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Solution

The fourth proportional to 216,718.20, 299,064.96 and 126,101.88 is: 174,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,718.20 : 299,064.96 = 126,101.88 : x
  2. Step 2: Convert to fraction form
    216,718.20/299,064.96 = 126,101.88/x
  3. Step 3: Cross multiply
    216,718.20x = 299,064.96 × 126,101.88
  4. Step 4: Simplify right side
    216,718.20x = 37,712,653,698.12
  5. Step 5: Solve for x
    x = 37,712,653,698.12/216,718.20
  6. Step 6: Final answer
    x = 174,017.01

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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.