Home / 102,119.33-140,904.50-61,836.84

Finding the Fourth Proportional to 102,119.33, 140,904.50 and 61,836.84

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Solution

The fourth proportional to 102,119.33, 140,904.50 and 61,836.84 is: 85,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,119.33 : 140,904.50 = 61,836.84 : x
  2. Step 2: Convert to fraction form
    102,119.33/140,904.50 = 61,836.84/x
  3. Step 3: Cross multiply
    102,119.33x = 140,904.50 × 61,836.84
  4. Step 4: Simplify right side
    102,119.33x = 8,713,088,712.60
  5. Step 5: Solve for x
    x = 8,713,088,712.60/102,119.33
  6. Step 6: Final answer
    x = 85,322.62

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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.