Home / 156,958.65-235,437.98-109,719.45

Finding the Fourth Proportional to 156,958.65, 235,437.98 and 109,719.45

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Solution

The fourth proportional to 156,958.65, 235,437.98 and 109,719.45 is: 164,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,958.65 : 235,437.98 = 109,719.45 : x
  2. Step 2: Convert to fraction form
    156,958.65/235,437.98 = 109,719.45/x
  3. Step 3: Cross multiply
    156,958.65x = 235,437.98 × 109,719.45
  4. Step 4: Simplify right side
    156,958.65x = 25,832,125,126.11
  5. Step 5: Solve for x
    x = 25,832,125,126.11/156,958.65
  6. Step 6: Final answer
    x = 164,579.18

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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.