Home / 157,208.96-235,725.24-138,531.44

Finding the Fourth Proportional to 157,208.96, 235,725.24 and 138,531.44

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Solution

The fourth proportional to 157,208.96, 235,725.24 and 138,531.44 is: 207,719.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,208.96 : 235,725.24 = 138,531.44 : x
  2. Step 2: Convert to fraction form
    157,208.96/235,725.24 = 138,531.44/x
  3. Step 3: Cross multiply
    157,208.96x = 235,725.24 × 138,531.44
  4. Step 4: Simplify right side
    157,208.96x = 32,655,356,941.55
  5. Step 5: Solve for x
    x = 32,655,356,941.55/157,208.96
  6. Step 6: Final answer
    x = 207,719.44

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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.