Home / 94,311.78-130,145.43-51,862.14

Finding the Fourth Proportional to 94,311.78, 130,145.43 and 51,862.14

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Solution

The fourth proportional to 94,311.78, 130,145.43 and 51,862.14 is: 71,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,311.78 : 130,145.43 = 51,862.14 : x
  2. Step 2: Convert to fraction form
    94,311.78/130,145.43 = 51,862.14/x
  3. Step 3: Cross multiply
    94,311.78x = 130,145.43 × 51,862.14
  4. Step 4: Simplify right side
    94,311.78x = 6,749,620,511.02
  5. Step 5: Solve for x
    x = 6,749,620,511.02/94,311.78
  6. Step 6: Final answer
    x = 71,567.10

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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.