Home / 130,682.27-180,396.59-88,298.21

Finding the Fourth Proportional to 130,682.27, 180,396.59 and 88,298.21

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Solution

The fourth proportional to 130,682.27, 180,396.59 and 88,298.21 is: 121,888.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,682.27 : 180,396.59 = 88,298.21 : x
  2. Step 2: Convert to fraction form
    130,682.27/180,396.59 = 88,298.21/x
  3. Step 3: Cross multiply
    130,682.27x = 180,396.59 × 88,298.21
  4. Step 4: Simplify right side
    130,682.27x = 15,928,695,996.60
  5. Step 5: Solve for x
    x = 15,928,695,996.60/130,682.27
  6. Step 6: Final answer
    x = 121,888.73

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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.