Home / 155,934.48-215,189.46-84,314.46

Finding the Fourth Proportional to 155,934.48, 215,189.46 and 84,314.46

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Solution

The fourth proportional to 155,934.48, 215,189.46 and 84,314.46 is: 116,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,934.48 : 215,189.46 = 84,314.46 : x
  2. Step 2: Convert to fraction form
    155,934.48/215,189.46 = 84,314.46/x
  3. Step 3: Cross multiply
    155,934.48x = 215,189.46 × 84,314.46
  4. Step 4: Simplify right side
    155,934.48x = 18,143,583,117.59
  5. Step 5: Solve for x
    x = 18,143,583,117.59/155,934.48
  6. Step 6: Final answer
    x = 116,353.89

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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.