Home / 157,790.40-236,686.80-52,609.20

Finding the Fourth Proportional to 157,790.40, 236,686.80 and 52,609.20

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Solution

The fourth proportional to 157,790.40, 236,686.80 and 52,609.20 is: 78,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,790.40 : 236,686.80 = 52,609.20 : x
  2. Step 2: Convert to fraction form
    157,790.40/236,686.80 = 52,609.20/x
  3. Step 3: Cross multiply
    157,790.40x = 236,686.80 × 52,609.20
  4. Step 4: Simplify right side
    157,790.40x = 12,451,903,198.56
  5. Step 5: Solve for x
    x = 12,451,903,198.56/157,790.40
  6. Step 6: Final answer
    x = 78,914.20

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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.