Home / 157,301.10-217,067.85-89,309.16

Finding the Fourth Proportional to 157,301.10, 217,067.85 and 89,309.16

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Solution

The fourth proportional to 157,301.10, 217,067.85 and 89,309.16 is: 123,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,301.10 : 217,067.85 = 89,309.16 : x
  2. Step 2: Convert to fraction form
    157,301.10/217,067.85 = 89,309.16/x
  3. Step 3: Cross multiply
    157,301.10x = 217,067.85 × 89,309.16
  4. Step 4: Simplify right side
    157,301.10x = 19,386,147,346.51
  5. Step 5: Solve for x
    x = 19,386,147,346.51/157,301.10
  6. Step 6: Final answer
    x = 123,242.29

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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.