Home / 155,288.56-232,718.16-70,842.82

Finding the Fourth Proportional to 155,288.56, 232,718.16 and 70,842.82

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Solution

The fourth proportional to 155,288.56, 232,718.16 and 70,842.82 is: 106,166.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,288.56 : 232,718.16 = 70,842.82 : x
  2. Step 2: Convert to fraction form
    155,288.56/232,718.16 = 70,842.82/x
  3. Step 3: Cross multiply
    155,288.56x = 232,718.16 × 70,842.82
  4. Step 4: Simplify right side
    155,288.56x = 16,486,410,719.61
  5. Step 5: Solve for x
    x = 16,486,410,719.61/155,288.56
  6. Step 6: Final answer
    x = 106,166.29

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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.