Home / 130,874.32-180,585.42-73,510.90

Finding the Fourth Proportional to 130,874.32, 180,585.42 and 73,510.90

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Solution

The fourth proportional to 130,874.32, 180,585.42 and 73,510.90 is: 101,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,874.32 : 180,585.42 = 73,510.90 : x
  2. Step 2: Convert to fraction form
    130,874.32/180,585.42 = 73,510.90/x
  3. Step 3: Cross multiply
    130,874.32x = 180,585.42 × 73,510.90
  4. Step 4: Simplify right side
    130,874.32x = 13,274,996,751.08
  5. Step 5: Solve for x
    x = 13,274,996,751.08/130,874.32
  6. Step 6: Final answer
    x = 101,433.17

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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.