Home / 132,449.06-182,778.72-72,019.64

Finding the Fourth Proportional to 132,449.06, 182,778.72 and 72,019.64

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Solution

The fourth proportional to 132,449.06, 182,778.72 and 72,019.64 is: 99,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,449.06 : 182,778.72 = 72,019.64 : x
  2. Step 2: Convert to fraction form
    132,449.06/182,778.72 = 72,019.64/x
  3. Step 3: Cross multiply
    132,449.06x = 182,778.72 × 72,019.64
  4. Step 4: Simplify right side
    132,449.06x = 13,163,657,614.06
  5. Step 5: Solve for x
    x = 13,163,657,614.06/132,449.06
  6. Step 6: Final answer
    x = 99,386.57

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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.