Home / 130,380.81-179,894.68-73,792.19

Finding the Fourth Proportional to 130,380.81, 179,894.68 and 73,792.19

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Solution

The fourth proportional to 130,380.81, 179,894.68 and 73,792.19 is: 101,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380.81 : 179,894.68 = 73,792.19 : x
  2. Step 2: Convert to fraction form
    130,380.81/179,894.68 = 73,792.19/x
  3. Step 3: Cross multiply
    130,380.81x = 179,894.68 × 73,792.19
  4. Step 4: Simplify right side
    130,380.81x = 13,274,822,406.55
  5. Step 5: Solve for x
    x = 13,274,822,406.55/130,380.81
  6. Step 6: Final answer
    x = 101,815.77

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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.