Home / 131,184.32-181,033.76-71,568.32

Finding the Fourth Proportional to 131,184.32, 181,033.76 and 71,568.32

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Solution

The fourth proportional to 131,184.32, 181,033.76 and 71,568.32 is: 98,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,184.32 : 181,033.76 = 71,568.32 : x
  2. Step 2: Convert to fraction form
    131,184.32/181,033.76 = 71,568.32/x
  3. Step 3: Cross multiply
    131,184.32x = 181,033.76 × 71,568.32
  4. Step 4: Simplify right side
    131,184.32x = 12,956,282,066.48
  5. Step 5: Solve for x
    x = 12,956,282,066.48/131,184.32
  6. Step 6: Final answer
    x = 98,763.95

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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.