Home / 134,762.20-202,114.95-68,139.70

Finding the Fourth Proportional to 134,762.20, 202,114.95 and 68,139.70

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Solution

The fourth proportional to 134,762.20, 202,114.95 and 68,139.70 is: 102,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,762.20 : 202,114.95 = 68,139.70 : x
  2. Step 2: Convert to fraction form
    134,762.20/202,114.95 = 68,139.70/x
  3. Step 3: Cross multiply
    134,762.20x = 202,114.95 × 68,139.70
  4. Step 4: Simplify right side
    134,762.20x = 13,772,052,058.52
  5. Step 5: Solve for x
    x = 13,772,052,058.52/134,762.20
  6. Step 6: Final answer
    x = 102,195.22

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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.