Home / 131,382.70-181,308.12-70,953.35

Finding the Fourth Proportional to 131,382.70, 181,308.12 and 70,953.35

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Solution

The fourth proportional to 131,382.70, 181,308.12 and 70,953.35 is: 97,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,382.70 : 181,308.12 = 70,953.35 : x
  2. Step 2: Convert to fraction form
    131,382.70/181,308.12 = 70,953.35/x
  3. Step 3: Cross multiply
    131,382.70x = 181,308.12 × 70,953.35
  4. Step 4: Simplify right side
    131,382.70x = 12,864,417,234.89
  5. Step 5: Solve for x
    x = 12,864,417,234.89/131,382.70
  6. Step 6: Final answer
    x = 97,915.61

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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.