Home / 170,753.10-235,529.31-103,685.10

Finding the Fourth Proportional to 170,753.10, 235,529.31 and 103,685.10

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Solution

The fourth proportional to 170,753.10, 235,529.31 and 103,685.10 is: 143,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,753.10 : 235,529.31 = 103,685.10 : x
  2. Step 2: Convert to fraction form
    170,753.10/235,529.31 = 103,685.10/x
  3. Step 3: Cross multiply
    170,753.10x = 235,529.31 × 103,685.10
  4. Step 4: Simplify right side
    170,753.10x = 24,420,880,060.28
  5. Step 5: Solve for x
    x = 24,420,880,060.28/170,753.10
  6. Step 6: Final answer
    x = 143,018.66

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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.