Home / 130,006.68-179,406.97-72,646.93

Finding the Fourth Proportional to 130,006.68, 179,406.97 and 72,646.93

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Solution

The fourth proportional to 130,006.68, 179,406.97 and 72,646.93 is: 100,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,006.68 : 179,406.97 = 72,646.93 : x
  2. Step 2: Convert to fraction form
    130,006.68/179,406.97 = 72,646.93/x
  3. Step 3: Cross multiply
    130,006.68x = 179,406.97 × 72,646.93
  4. Step 4: Simplify right side
    130,006.68x = 13,033,365,591.10
  5. Step 5: Solve for x
    x = 13,033,365,591.10/130,006.68
  6. Step 6: Final answer
    x = 100,251.51

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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.