Home / 154,760.29-213,478.47-97,308.54

Finding the Fourth Proportional to 154,760.29, 213,478.47 and 97,308.54

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Solution

The fourth proportional to 154,760.29, 213,478.47 and 97,308.54 is: 134,228.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,760.29 : 213,478.47 = 97,308.54 : x
  2. Step 2: Convert to fraction form
    154,760.29/213,478.47 = 97,308.54/x
  3. Step 3: Cross multiply
    154,760.29x = 213,478.47 × 97,308.54
  4. Step 4: Simplify right side
    154,760.29x = 20,773,278,237.13
  5. Step 5: Solve for x
    x = 20,773,278,237.13/154,760.29
  6. Step 6: Final answer
    x = 134,228.74

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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.