Home / 192,767.19-289,037.16-90,070.92

Finding the Fourth Proportional to 192,767.19, 289,037.16 and 90,070.92

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Solution

The fourth proportional to 192,767.19, 289,037.16 and 90,070.92 is: 135,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,767.19 : 289,037.16 = 90,070.92 : x
  2. Step 2: Convert to fraction form
    192,767.19/289,037.16 = 90,070.92/x
  3. Step 3: Cross multiply
    192,767.19x = 289,037.16 × 90,070.92
  4. Step 4: Simplify right side
    192,767.19x = 26,033,842,915.39
  5. Step 5: Solve for x
    x = 26,033,842,915.39/192,767.19
  6. Step 6: Final answer
    x = 135,053.29

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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.