Home / 159,857.13-220,588.83-102,395.07

Finding the Fourth Proportional to 159,857.13, 220,588.83 and 102,395.07

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Solution

The fourth proportional to 159,857.13, 220,588.83 and 102,395.07 is: 141,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,857.13 : 220,588.83 = 102,395.07 : x
  2. Step 2: Convert to fraction form
    159,857.13/220,588.83 = 102,395.07/x
  3. Step 3: Cross multiply
    159,857.13x = 220,588.83 × 102,395.07
  4. Step 4: Simplify right side
    159,857.13x = 22,587,208,689.07
  5. Step 5: Solve for x
    x = 22,587,208,689.07/159,857.13
  6. Step 6: Final answer
    x = 141,296.22

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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.