Home / 164,639.43-227,203.11-89,187.93

Finding the Fourth Proportional to 164,639.43, 227,203.11 and 89,187.93

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Solution

The fourth proportional to 164,639.43, 227,203.11 and 89,187.93 is: 123,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,639.43 : 227,203.11 = 89,187.93 : x
  2. Step 2: Convert to fraction form
    164,639.43/227,203.11 = 89,187.93/x
  3. Step 3: Cross multiply
    164,639.43x = 227,203.11 × 89,187.93
  4. Step 4: Simplify right side
    164,639.43x = 20,263,775,070.46
  5. Step 5: Solve for x
    x = 20,263,775,070.46/164,639.43
  6. Step 6: Final answer
    x = 123,079.72

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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.