Home / 248,679.18-373,129.02-130,322.38

Finding the Fourth Proportional to 248,679.18, 373,129.02 and 130,322.38

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Solution

The fourth proportional to 248,679.18, 373,129.02 and 130,322.38 is: 195,541.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,679.18 : 373,129.02 = 130,322.38 : x
  2. Step 2: Convert to fraction form
    248,679.18/373,129.02 = 130,322.38/x
  3. Step 3: Cross multiply
    248,679.18x = 373,129.02 × 130,322.38
  4. Step 4: Simplify right side
    248,679.18x = 48,627,061,933.47
  5. Step 5: Solve for x
    x = 48,627,061,933.47/248,679.18
  6. Step 6: Final answer
    x = 195,541.35

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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.