Home / 157,930.40-236,762.76-129,852.56

Finding the Fourth Proportional to 157,930.40, 236,762.76 and 129,852.56

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Solution

The fourth proportional to 157,930.40, 236,762.76 and 129,852.56 is: 194,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,930.40 : 236,762.76 = 129,852.56 : x
  2. Step 2: Convert to fraction form
    157,930.40/236,762.76 = 129,852.56/x
  3. Step 3: Cross multiply
    157,930.40x = 236,762.76 × 129,852.56
  4. Step 4: Simplify right side
    157,930.40x = 30,744,250,498.67
  5. Step 5: Solve for x
    x = 30,744,250,498.67/157,930.40
  6. Step 6: Final answer
    x = 194,669.62

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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.