Home / 155,945.60-215,204.76-84,325.46

Finding the Fourth Proportional to 155,945.60, 215,204.76 and 84,325.46

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Solution

The fourth proportional to 155,945.60, 215,204.76 and 84,325.46 is: 116,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,945.60 : 215,204.76 = 84,325.46 : x
  2. Step 2: Convert to fraction form
    155,945.60/215,204.76 = 84,325.46/x
  3. Step 3: Cross multiply
    155,945.60x = 215,204.76 × 84,325.46
  4. Step 4: Simplify right side
    155,945.60x = 18,147,240,381.19
  5. Step 5: Solve for x
    x = 18,147,240,381.19/155,945.60
  6. Step 6: Final answer
    x = 116,369.04

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1.5x scale

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.