Home / 200,159.28-275,902.20-157,650.48

Finding the Fourth Proportional to 200,159.28, 275,902.20 and 157,650.48

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Solution

The fourth proportional to 200,159.28, 275,902.20 and 157,650.48 is: 217,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,159.28 : 275,902.20 = 157,650.48 : x
  2. Step 2: Convert to fraction form
    200,159.28/275,902.20 = 157,650.48/x
  3. Step 3: Cross multiply
    200,159.28x = 275,902.20 × 157,650.48
  4. Step 4: Simplify right side
    200,159.28x = 43,496,114,263.06
  5. Step 5: Solve for x
    x = 43,496,114,263.06/200,159.28
  6. Step 6: Final answer
    x = 217,307.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.