Home / 130,384.29-179,924.08-80,073.57

Finding the Fourth Proportional to 130,384.29, 179,924.08 and 80,073.57

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Solution

The fourth proportional to 130,384.29, 179,924.08 and 80,073.57 is: 110,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,384.29 : 179,924.08 = 80,073.57 : x
  2. Step 2: Convert to fraction form
    130,384.29/179,924.08 = 80,073.57/x
  3. Step 3: Cross multiply
    130,384.29x = 179,924.08 × 80,073.57
  4. Step 4: Simplify right side
    130,384.29x = 14,407,163,414.57
  5. Step 5: Solve for x
    x = 14,407,163,414.57/130,384.29
  6. Step 6: Final answer
    x = 110,497.69

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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.