Home / 248,177.64-342,487.80-135,000.66

Finding the Fourth Proportional to 248,177.64, 342,487.80 and 135,000.66

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Solution

The fourth proportional to 248,177.64, 342,487.80 and 135,000.66 is: 186,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,177.64 : 342,487.80 = 135,000.66 : x
  2. Step 2: Convert to fraction form
    248,177.64/342,487.80 = 135,000.66/x
  3. Step 3: Cross multiply
    248,177.64x = 342,487.80 × 135,000.66
  4. Step 4: Simplify right side
    248,177.64x = 46,236,079,041.95
  5. Step 5: Solve for x
    x = 46,236,079,041.95/248,177.64
  6. Step 6: Final answer
    x = 186,302.36

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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.