Home / 130,336.50-179,822.52-72,967.38

Finding the Fourth Proportional to 130,336.50, 179,822.52 and 72,967.38

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Solution

The fourth proportional to 130,336.50, 179,822.52 and 72,967.38 is: 100,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,336.50 : 179,822.52 = 72,967.38 : x
  2. Step 2: Convert to fraction form
    130,336.50/179,822.52 = 72,967.38/x
  3. Step 3: Cross multiply
    130,336.50x = 179,822.52 × 72,967.38
  4. Step 4: Simplify right side
    130,336.50x = 13,121,178,149.40
  5. Step 5: Solve for x
    x = 13,121,178,149.40/130,336.50
  6. Step 6: Final answer
    x = 100,671.56

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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.