Home / 102,142.19-153,283.75-35,582.87

Finding the Fourth Proportional to 102,142.19, 153,283.75 and 35,582.87

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Solution

The fourth proportional to 102,142.19, 153,283.75 and 35,582.87 is: 53,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,142.19 : 153,283.75 = 35,582.87 : x
  2. Step 2: Convert to fraction form
    102,142.19/153,283.75 = 35,582.87/x
  3. Step 3: Cross multiply
    102,142.19x = 153,283.75 × 35,582.87
  4. Step 4: Simplify right side
    102,142.19x = 5,454,275,749.36
  5. Step 5: Solve for x
    x = 5,454,275,749.36/102,142.19
  6. Step 6: Final answer
    x = 53,398.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.