Home / 142,856.65-214,315.89-43,009.17

Finding the Fourth Proportional to 142,856.65, 214,315.89 and 43,009.17

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Solution

The fourth proportional to 142,856.65, 214,315.89 and 43,009.17 is: 64,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,856.65 : 214,315.89 = 43,009.17 : x
  2. Step 2: Convert to fraction form
    142,856.65/214,315.89 = 43,009.17/x
  3. Step 3: Cross multiply
    142,856.65x = 214,315.89 × 43,009.17
  4. Step 4: Simplify right side
    142,856.65x = 9,217,548,546.71
  5. Step 5: Solve for x
    x = 9,217,548,546.71/142,856.65
  6. Step 6: Final answer
    x = 64,523.06

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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.