Home / 131,475.32-181,435.84-71,045.94

Finding the Fourth Proportional to 131,475.32, 181,435.84 and 71,045.94

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Solution

The fourth proportional to 131,475.32, 181,435.84 and 71,045.94 is: 98,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,475.32 : 181,435.84 = 71,045.94 : x
  2. Step 2: Convert to fraction form
    131,475.32/181,435.84 = 71,045.94/x
  3. Step 3: Cross multiply
    131,475.32x = 181,435.84 × 71,045.94
  4. Step 4: Simplify right side
    131,475.32x = 12,890,279,802.49
  5. Step 5: Solve for x
    x = 12,890,279,802.49/131,475.32
  6. Step 6: Final answer
    x = 98,043.34

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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.