Home / 230,405.29-317,966.03-134,903.05

Finding the Fourth Proportional to 230,405.29, 317,966.03 and 134,903.05

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Solution

The fourth proportional to 230,405.29, 317,966.03 and 134,903.05 is: 186,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,405.29 : 317,966.03 = 134,903.05 : x
  2. Step 2: Convert to fraction form
    230,405.29/317,966.03 = 134,903.05/x
  3. Step 3: Cross multiply
    230,405.29x = 317,966.03 × 134,903.05
  4. Step 4: Simplify right side
    230,405.29x = 42,894,587,243.39
  5. Step 5: Solve for x
    x = 42,894,587,243.39/230,405.29
  6. Step 6: Final answer
    x = 186,170.15

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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.