Home / 248,026.92-342,270-140,606.88

Finding the Fourth Proportional to 248,026.92, 342,270 and 140,606.88

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Solution

The fourth proportional to 248,026.92, 342,270 and 140,606.88 is: 194,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,026.92 : 342,270 = 140,606.88 : x
  2. Step 2: Convert to fraction form
    248,026.92/342,270 = 140,606.88/x
  3. Step 3: Cross multiply
    248,026.92x = 342,270 × 140,606.88
  4. Step 4: Simplify right side
    248,026.92x = 48,125,516,817.60
  5. Step 5: Solve for x
    x = 48,125,516,817.60/248,026.92
  6. Step 6: Final answer
    x = 194,033.44

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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.