Home / 146,328.26-219,341.72-57,545.78

Finding the Fourth Proportional to 146,328.26, 219,341.72 and 57,545.78

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Solution

The fourth proportional to 146,328.26, 219,341.72 and 57,545.78 is: 86,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,328.26 : 219,341.72 = 57,545.78 : x
  2. Step 2: Convert to fraction form
    146,328.26/219,341.72 = 57,545.78/x
  3. Step 3: Cross multiply
    146,328.26x = 219,341.72 × 57,545.78
  4. Step 4: Simplify right side
    146,328.26x = 12,622,189,411.10
  5. Step 5: Solve for x
    x = 12,622,189,411.10/146,328.26
  6. Step 6: Final answer
    x = 86,259.41

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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.