Home / 130,385.16-179,925.30-80,074.44

Finding the Fourth Proportional to 130,385.16, 179,925.30 and 80,074.44

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Solution

The fourth proportional to 130,385.16, 179,925.30 and 80,074.44 is: 110,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,385.16 : 179,925.30 = 80,074.44 : x
  2. Step 2: Convert to fraction form
    130,385.16/179,925.30 = 80,074.44/x
  3. Step 3: Cross multiply
    130,385.16x = 179,925.30 × 80,074.44
  4. Step 4: Simplify right side
    130,385.16x = 14,407,417,639.33
  5. Step 5: Solve for x
    x = 14,407,417,639.33/130,385.16
  6. Step 6: Final answer
    x = 110,498.91

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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.