Home / 130,582.77-180,259.38-88,198.71

Finding the Fourth Proportional to 130,582.77, 180,259.38 and 88,198.71

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Solution

The fourth proportional to 130,582.77, 180,259.38 and 88,198.71 is: 121,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,582.77 : 180,259.38 = 88,198.71 : x
  2. Step 2: Convert to fraction form
    130,582.77/180,259.38 = 88,198.71/x
  3. Step 3: Cross multiply
    130,582.77x = 180,259.38 × 88,198.71
  4. Step 4: Simplify right side
    130,582.77x = 15,898,644,781.40
  5. Step 5: Solve for x
    x = 15,898,644,781.40/130,582.77
  6. Step 6: Final answer
    x = 121,751.47

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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.