Home / 261,837.32-392,644.12-99,625.08

Finding the Fourth Proportional to 261,837.32, 392,644.12 and 99,625.08

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Solution

The fourth proportional to 261,837.32, 392,644.12 and 99,625.08 is: 149,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,837.32 : 392,644.12 = 99,625.08 : x
  2. Step 2: Convert to fraction form
    261,837.32/392,644.12 = 99,625.08/x
  3. Step 3: Cross multiply
    261,837.32x = 392,644.12 × 99,625.08
  4. Step 4: Simplify right side
    261,837.32x = 39,117,201,866.53
  5. Step 5: Solve for x
    x = 39,117,201,866.53/261,837.32
  6. Step 6: Final answer
    x = 149,395.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.