Home / 131,846.40-181,918.08-75,248.64

Finding the Fourth Proportional to 131,846.40, 181,918.08 and 75,248.64

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Solution

The fourth proportional to 131,846.40, 181,918.08 and 75,248.64 is: 103,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,846.40 : 181,918.08 = 75,248.64 : x
  2. Step 2: Convert to fraction form
    131,846.40/181,918.08 = 75,248.64/x
  3. Step 3: Cross multiply
    131,846.40x = 181,918.08 × 75,248.64
  4. Step 4: Simplify right side
    131,846.40x = 13,689,088,111.41
  5. Step 5: Solve for x
    x = 13,689,088,111.41/131,846.40
  6. Step 6: Final answer
    x = 103,826.03

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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.