Home / 243,956.10-336,652.19-135,065.29

Finding the Fourth Proportional to 243,956.10, 336,652.19 and 135,065.29

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Solution

The fourth proportional to 243,956.10, 336,652.19 and 135,065.29 is: 186,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,956.10 : 336,652.19 = 135,065.29 : x
  2. Step 2: Convert to fraction form
    243,956.10/336,652.19 = 135,065.29/x
  3. Step 3: Cross multiply
    243,956.10x = 336,652.19 × 135,065.29
  4. Step 4: Simplify right side
    243,956.10x = 45,470,027,102.76
  5. Step 5: Solve for x
    x = 45,470,027,102.76/243,956.10
  6. Step 6: Final answer
    x = 186,386.10

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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.