Home / 157,871.68-235,655.89-137,942.44

Finding the Fourth Proportional to 157,871.68, 235,655.89 and 137,942.44

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Solution

The fourth proportional to 157,871.68, 235,655.89 and 137,942.44 is: 205,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,871.68 : 235,655.89 = 137,942.44 : x
  2. Step 2: Convert to fraction form
    157,871.68/235,655.89 = 137,942.44/x
  3. Step 3: Cross multiply
    157,871.68x = 235,655.89 × 137,942.44
  4. Step 4: Simplify right side
    157,871.68x = 32,506,948,466.97
  5. Step 5: Solve for x
    x = 32,506,948,466.97/157,871.68
  6. Step 6: Final answer
    x = 205,907.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.