Home / 160,389.60-221,250.36-103,037.95

Finding the Fourth Proportional to 160,389.60, 221,250.36 and 103,037.95

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Solution

The fourth proportional to 160,389.60, 221,250.36 and 103,037.95 is: 142,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,389.60 : 221,250.36 = 103,037.95 : x
  2. Step 2: Convert to fraction form
    160,389.60/221,250.36 = 103,037.95/x
  3. Step 3: Cross multiply
    160,389.60x = 221,250.36 × 103,037.95
  4. Step 4: Simplify right side
    160,389.60x = 22,797,183,531.16
  5. Step 5: Solve for x
    x = 22,797,183,531.16/160,389.60
  6. Step 6: Final answer
    x = 142,136.30

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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.