Home / 217,352.13-299,965.59-126,700.98

Finding the Fourth Proportional to 217,352.13, 299,965.59 and 126,700.98

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Solution

The fourth proportional to 217,352.13, 299,965.59 and 126,700.98 is: 174,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,352.13 : 299,965.59 = 126,700.98 : x
  2. Step 2: Convert to fraction form
    217,352.13/299,965.59 = 126,700.98/x
  3. Step 3: Cross multiply
    217,352.13x = 299,965.59 × 126,700.98
  4. Step 4: Simplify right side
    217,352.13x = 38,005,934,219.28
  5. Step 5: Solve for x
    x = 38,005,934,219.28/217,352.13
  6. Step 6: Final answer
    x = 174,858.81

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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.