Home / 157,717.32-236,574.74-39,387.86

Finding the Fourth Proportional to 157,717.32, 236,574.74 and 39,387.86

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Solution

The fourth proportional to 157,717.32, 236,574.74 and 39,387.86 is: 59,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,717.32 : 236,574.74 = 39,387.86 : x
  2. Step 2: Convert to fraction form
    157,717.32/236,574.74 = 39,387.86/x
  3. Step 3: Cross multiply
    157,717.32x = 236,574.74 × 39,387.86
  4. Step 4: Simplify right side
    157,717.32x = 9,318,172,738.66
  5. Step 5: Solve for x
    x = 9,318,172,738.66/157,717.32
  6. Step 6: Final answer
    x = 59,081.48

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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.