Home / 157,621.80-236,303.10-83,749.80

Finding the Fourth Proportional to 157,621.80, 236,303.10 and 83,749.80

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Solution

The fourth proportional to 157,621.80, 236,303.10 and 83,749.80 is: 125,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,621.80 : 236,303.10 = 83,749.80 : x
  2. Step 2: Convert to fraction form
    157,621.80/236,303.10 = 83,749.80/x
  3. Step 3: Cross multiply
    157,621.80x = 236,303.10 × 83,749.80
  4. Step 4: Simplify right side
    157,621.80x = 19,790,337,364.38
  5. Step 5: Solve for x
    x = 19,790,337,364.38/157,621.80
  6. Step 6: Final answer
    x = 125,555.84

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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.