Home / 143,355.84-215,033.52-38,175.12

Finding the Fourth Proportional to 143,355.84, 215,033.52 and 38,175.12

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Solution

The fourth proportional to 143,355.84, 215,033.52 and 38,175.12 is: 57,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,355.84 : 215,033.52 = 38,175.12 : x
  2. Step 2: Convert to fraction form
    143,355.84/215,033.52 = 38,175.12/x
  3. Step 3: Cross multiply
    143,355.84x = 215,033.52 × 38,175.12
  4. Step 4: Simplify right side
    143,355.84x = 8,208,930,430.02
  5. Step 5: Solve for x
    x = 8,208,930,430.02/143,355.84
  6. Step 6: Final answer
    x = 57,262.62

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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.