Home / 248,077.17-342,338.40-139,174.92

Finding the Fourth Proportional to 248,077.17, 342,338.40 and 139,174.92

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Solution

The fourth proportional to 248,077.17, 342,338.40 and 139,174.92 is: 192,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,077.17 : 342,338.40 = 139,174.92 : x
  2. Step 2: Convert to fraction form
    248,077.17/342,338.40 = 139,174.92/x
  3. Step 3: Cross multiply
    248,077.17x = 342,338.40 × 139,174.92
  4. Step 4: Simplify right side
    248,077.17x = 47,644,919,432.93
  5. Step 5: Solve for x
    x = 47,644,919,432.93/248,077.17
  6. Step 6: Final answer
    x = 192,056.85

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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.