Home / 94,143.06-129,916.00-53,866.72

Finding the Fourth Proportional to 94,143.06, 129,916.00 and 53,866.72

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Solution

The fourth proportional to 94,143.06, 129,916.00 and 53,866.72 is: 74,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,143.06 : 129,916.00 = 53,866.72 : x
  2. Step 2: Convert to fraction form
    94,143.06/129,916.00 = 53,866.72/x
  3. Step 3: Cross multiply
    94,143.06x = 129,916.00 × 53,866.72
  4. Step 4: Simplify right side
    94,143.06x = 6,998,149,025.25
  5. Step 5: Solve for x
    x = 6,998,149,025.25/94,143.06
  6. Step 6: Final answer
    x = 74,335.26

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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.