Home / 188,427.15-260,031.51-103,544.21

Finding the Fourth Proportional to 188,427.15, 260,031.51 and 103,544.21

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Solution

The fourth proportional to 188,427.15, 260,031.51 and 103,544.21 is: 142,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,427.15 : 260,031.51 = 103,544.21 : x
  2. Step 2: Convert to fraction form
    188,427.15/260,031.51 = 103,544.21/x
  3. Step 3: Cross multiply
    188,427.15x = 260,031.51 × 103,544.21
  4. Step 4: Simplify right side
    188,427.15x = 26,924,757,278.06
  5. Step 5: Solve for x
    x = 26,924,757,278.06/188,427.15
  6. Step 6: Final answer
    x = 142,892.13

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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.