Home / 143,569.62-215,398.56-73,498.14

Finding the Fourth Proportional to 143,569.62, 215,398.56 and 73,498.14

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Solution

The fourth proportional to 143,569.62, 215,398.56 and 73,498.14 is: 110,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,569.62 : 215,398.56 = 73,498.14 : x
  2. Step 2: Convert to fraction form
    143,569.62/215,398.56 = 73,498.14/x
  3. Step 3: Cross multiply
    143,569.62x = 215,398.56 × 73,498.14
  4. Step 4: Simplify right side
    143,569.62x = 15,831,393,518.68
  5. Step 5: Solve for x
    x = 15,831,393,518.68/143,569.62
  6. Step 6: Final answer
    x = 110,269.80

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1.5x scale

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.