Home / 157,506.20-236,259.30-113,219.45

Finding the Fourth Proportional to 157,506.20, 236,259.30 and 113,219.45

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Solution

The fourth proportional to 157,506.20, 236,259.30 and 113,219.45 is: 169,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,506.20 : 236,259.30 = 113,219.45 : x
  2. Step 2: Convert to fraction form
    157,506.20/236,259.30 = 113,219.45/x
  3. Step 3: Cross multiply
    157,506.20x = 236,259.30 × 113,219.45
  4. Step 4: Simplify right side
    157,506.20x = 26,749,148,003.39
  5. Step 5: Solve for x
    x = 26,749,148,003.39/157,506.20
  6. Step 6: Final answer
    x = 169,829.18

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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.