Home / 130,248.20-179,731.80-72,884.55

Finding the Fourth Proportional to 130,248.20, 179,731.80 and 72,884.55

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Solution

The fourth proportional to 130,248.20, 179,731.80 and 72,884.55 is: 100,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,248.20 : 179,731.80 = 72,884.55 : x
  2. Step 2: Convert to fraction form
    130,248.20/179,731.80 = 72,884.55/x
  3. Step 3: Cross multiply
    130,248.20x = 179,731.80 × 72,884.55
  4. Step 4: Simplify right side
    130,248.20x = 13,099,671,363.69
  5. Step 5: Solve for x
    x = 13,099,671,363.69/130,248.20
  6. Step 6: Final answer
    x = 100,574.69

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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.