Home / 143,835.04-215,717.95-43,996.11

Finding the Fourth Proportional to 143,835.04, 215,717.95 and 43,996.11

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Solution

The fourth proportional to 143,835.04, 215,717.95 and 43,996.11 is: 65,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,835.04 : 215,717.95 = 43,996.11 : x
  2. Step 2: Convert to fraction form
    143,835.04/215,717.95 = 43,996.11/x
  3. Step 3: Cross multiply
    143,835.04x = 215,717.95 × 43,996.11
  4. Step 4: Simplify right side
    143,835.04x = 9,490,750,657.17
  5. Step 5: Solve for x
    x = 9,490,750,657.17/143,835.04
  6. Step 6: Final answer
    x = 65,983.58

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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.