Home / 158,817.49-219,105.63-90,797.92

Finding the Fourth Proportional to 158,817.49, 219,105.63 and 90,797.92

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Solution

The fourth proportional to 158,817.49, 219,105.63 and 90,797.92 is: 125,265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,817.49 : 219,105.63 = 90,797.92 : x
  2. Step 2: Convert to fraction form
    158,817.49/219,105.63 = 90,797.92/x
  3. Step 3: Cross multiply
    158,817.49x = 219,105.63 × 90,797.92
  4. Step 4: Simplify right side
    158,817.49x = 19,894,334,916.53
  5. Step 5: Solve for x
    x = 19,894,334,916.53/158,817.49
  6. Step 6: Final answer
    x = 125,265.39

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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.