Home / 145,622.25-200,963.57-89,022.69

Finding the Fourth Proportional to 145,622.25, 200,963.57 and 89,022.69

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Solution

The fourth proportional to 145,622.25, 200,963.57 and 89,022.69 is: 122,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,622.25 : 200,963.57 = 89,022.69 : x
  2. Step 2: Convert to fraction form
    145,622.25/200,963.57 = 89,022.69/x
  3. Step 3: Cross multiply
    145,622.25x = 200,963.57 × 89,022.69
  4. Step 4: Simplify right side
    145,622.25x = 17,890,317,148.29
  5. Step 5: Solve for x
    x = 17,890,317,148.29/145,622.25
  6. Step 6: Final answer
    x = 122,854.28

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1.5x scale

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.