Home / 154,026.32-231,039.32-57,981.46

Finding the Fourth Proportional to 154,026.32, 231,039.32 and 57,981.46

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Solution

The fourth proportional to 154,026.32, 231,039.32 and 57,981.46 is: 86,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,026.32 : 231,039.32 = 57,981.46 : x
  2. Step 2: Convert to fraction form
    154,026.32/231,039.32 = 57,981.46/x
  3. Step 3: Cross multiply
    154,026.32x = 231,039.32 × 57,981.46
  4. Step 4: Simplify right side
    154,026.32x = 13,395,997,091.01
  5. Step 5: Solve for x
    x = 13,395,997,091.01/154,026.32
  6. Step 6: Final answer
    x = 86,972.13

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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.