Home / 130,329.35-179,812.71-72,960.24

Finding the Fourth Proportional to 130,329.35, 179,812.71 and 72,960.24

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Solution

The fourth proportional to 130,329.35, 179,812.71 and 72,960.24 is: 100,661.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,329.35 : 179,812.71 = 72,960.24 : x
  2. Step 2: Convert to fraction form
    130,329.35/179,812.71 = 72,960.24/x
  3. Step 3: Cross multiply
    130,329.35x = 179,812.71 × 72,960.24
  4. Step 4: Simplify right side
    130,329.35x = 13,119,179,150.95
  5. Step 5: Solve for x
    x = 13,119,179,150.95/130,329.35
  6. Step 6: Final answer
    x = 100,661.74

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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.