Home / 156,208.16-215,568.29-84,588.19

Finding the Fourth Proportional to 156,208.16, 215,568.29 and 84,588.19

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Solution

The fourth proportional to 156,208.16, 215,568.29 and 84,588.19 is: 116,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,208.16 : 215,568.29 = 84,588.19 : x
  2. Step 2: Convert to fraction form
    156,208.16/215,568.29 = 84,588.19/x
  3. Step 3: Cross multiply
    156,208.16x = 215,568.29 × 84,588.19
  4. Step 4: Simplify right side
    156,208.16x = 18,234,529,971.71
  5. Step 5: Solve for x
    x = 18,234,529,971.71/156,208.16
  6. Step 6: Final answer
    x = 116,732.25

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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.