Home / 89,024.51-133,344.78-83,790.29

Finding the Fourth Proportional to 89,024.51, 133,344.78 and 83,790.29

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Solution

The fourth proportional to 89,024.51, 133,344.78 and 83,790.29 is: 125,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,024.51 : 133,344.78 = 83,790.29 : x
  2. Step 2: Convert to fraction form
    89,024.51/133,344.78 = 83,790.29/x
  3. Step 3: Cross multiply
    89,024.51x = 133,344.78 × 83,790.29
  4. Step 4: Simplify right side
    89,024.51x = 11,172,997,119.46
  5. Step 5: Solve for x
    x = 11,172,997,119.46/89,024.51
  6. Step 6: Final answer
    x = 125,504.74

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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.