Home / 157,117.04-235,676.05-38,788.39

Finding the Fourth Proportional to 157,117.04, 235,676.05 and 38,788.39

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Solution

The fourth proportional to 157,117.04, 235,676.05 and 38,788.39 is: 58,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,117.04 : 235,676.05 = 38,788.39 : x
  2. Step 2: Convert to fraction form
    157,117.04/235,676.05 = 38,788.39/x
  3. Step 3: Cross multiply
    157,117.04x = 235,676.05 × 38,788.39
  4. Step 4: Simplify right side
    157,117.04x = 9,141,494,738.68
  5. Step 5: Solve for x
    x = 9,141,494,738.68/157,117.04
  6. Step 6: Final answer
    x = 58,182.71

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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.