Home / 134,876.10-202,314.15-64,719.30

Finding the Fourth Proportional to 134,876.10, 202,314.15 and 64,719.30

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Solution

The fourth proportional to 134,876.10, 202,314.15 and 64,719.30 is: 97,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,876.10 : 202,314.15 = 64,719.30 : x
  2. Step 2: Convert to fraction form
    134,876.10/202,314.15 = 64,719.30/x
  3. Step 3: Cross multiply
    134,876.10x = 202,314.15 × 64,719.30
  4. Step 4: Simplify right side
    134,876.10x = 13,093,630,168.10
  5. Step 5: Solve for x
    x = 13,093,630,168.10/134,876.10
  6. Step 6: Final answer
    x = 97,078.95

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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.