Home / 133,226.92-183,646.02-90,712.36

Finding the Fourth Proportional to 133,226.92, 183,646.02 and 90,712.36

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Solution

The fourth proportional to 133,226.92, 183,646.02 and 90,712.36 is: 125,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,226.92 : 183,646.02 = 90,712.36 : x
  2. Step 2: Convert to fraction form
    133,226.92/183,646.02 = 90,712.36/x
  3. Step 3: Cross multiply
    133,226.92x = 183,646.02 × 90,712.36
  4. Step 4: Simplify right side
    133,226.92x = 16,658,963,878.81
  5. Step 5: Solve for x
    x = 16,658,963,878.81/133,226.92
  6. Step 6: Final answer
    x = 125,042.03

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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.