Home / 131,733.12-181,790.46-71,303.16

Finding the Fourth Proportional to 131,733.12, 181,790.46 and 71,303.16

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Solution

The fourth proportional to 131,733.12, 181,790.46 and 71,303.16 is: 98,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,733.12 : 181,790.46 = 71,303.16 : x
  2. Step 2: Convert to fraction form
    131,733.12/181,790.46 = 71,303.16/x
  3. Step 3: Cross multiply
    131,733.12x = 181,790.46 × 71,303.16
  4. Step 4: Simplify right side
    131,733.12x = 12,962,234,255.85
  5. Step 5: Solve for x
    x = 12,962,234,255.85/131,733.12
  6. Step 6: Final answer
    x = 98,397.69

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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.