Home / 155,214.36-214,026.30-104,825.88

Finding the Fourth Proportional to 155,214.36, 214,026.30 and 104,825.88

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Solution

The fourth proportional to 155,214.36, 214,026.30 and 104,825.88 is: 144,545.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,214.36 : 214,026.30 = 104,825.88 : x
  2. Step 2: Convert to fraction form
    155,214.36/214,026.30 = 104,825.88/x
  3. Step 3: Cross multiply
    155,214.36x = 214,026.30 × 104,825.88
  4. Step 4: Simplify right side
    155,214.36x = 22,435,495,240.64
  5. Step 5: Solve for x
    x = 22,435,495,240.64/155,214.36
  6. Step 6: Final answer
    x = 144,545.23

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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.