Home / 147,945.96-204,163.89-84,285.13

Finding the Fourth Proportional to 147,945.96, 204,163.89 and 84,285.13

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Solution

The fourth proportional to 147,945.96, 204,163.89 and 84,285.13 is: 116,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,945.96 : 204,163.89 = 84,285.13 : x
  2. Step 2: Convert to fraction form
    147,945.96/204,163.89 = 84,285.13/x
  3. Step 3: Cross multiply
    147,945.96x = 204,163.89 × 84,285.13
  4. Step 4: Simplify right side
    147,945.96x = 17,207,980,009.96
  5. Step 5: Solve for x
    x = 17,207,980,009.96/147,945.96
  6. Step 6: Final answer
    x = 116,312.61

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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.