Home / 157,252.10-217,005.75-89,268.48

Finding the Fourth Proportional to 157,252.10, 217,005.75 and 89,268.48

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Solution

The fourth proportional to 157,252.10, 217,005.75 and 89,268.48 is: 123,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,252.10 : 217,005.75 = 89,268.48 : x
  2. Step 2: Convert to fraction form
    157,252.10/217,005.75 = 89,268.48/x
  3. Step 3: Cross multiply
    157,252.10x = 217,005.75 × 89,268.48
  4. Step 4: Simplify right side
    157,252.10x = 19,371,773,453.76
  5. Step 5: Solve for x
    x = 19,371,773,453.76/157,252.10
  6. Step 6: Final answer
    x = 123,189.29

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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.