Home / 130,558.77-180,226.22-88,174.71

Finding the Fourth Proportional to 130,558.77, 180,226.22 and 88,174.71

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Solution

The fourth proportional to 130,558.77, 180,226.22 and 88,174.71 is: 121,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,558.77 : 180,226.22 = 88,174.71 : x
  2. Step 2: Convert to fraction form
    130,558.77/180,226.22 = 88,174.71/x
  3. Step 3: Cross multiply
    130,558.77x = 180,226.22 × 88,174.71
  4. Step 4: Simplify right side
    130,558.77x = 15,891,394,242.02
  5. Step 5: Solve for x
    x = 15,891,394,242.02/130,558.77
  6. Step 6: Final answer
    x = 121,718.32

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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.