Home / 102,143.19-153,285.26-35,583.87

Finding the Fourth Proportional to 102,143.19, 153,285.26 and 35,583.87

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Solution

The fourth proportional to 102,143.19, 153,285.26 and 35,583.87 is: 53,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,143.19 : 153,285.26 = 35,583.87 : x
  2. Step 2: Convert to fraction form
    102,143.19/153,285.26 = 35,583.87/x
  3. Step 3: Cross multiply
    102,143.19x = 153,285.26 × 35,583.87
  4. Step 4: Simplify right side
    102,143.19x = 5,454,482,764.76
  5. Step 5: Solve for x
    x = 5,454,482,764.76/102,143.19
  6. Step 6: Final answer
    x = 53,400.36

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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.