Home / 154,778.88-213,504.36-97,327.28

Finding the Fourth Proportional to 154,778.88, 213,504.36 and 97,327.28

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Solution

The fourth proportional to 154,778.88, 213,504.36 and 97,327.28 is: 134,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,778.88 : 213,504.36 = 97,327.28 : x
  2. Step 2: Convert to fraction form
    154,778.88/213,504.36 = 97,327.28/x
  3. Step 3: Cross multiply
    154,778.88x = 213,504.36 × 97,327.28
  4. Step 4: Simplify right side
    154,778.88x = 20,779,797,559.42
  5. Step 5: Solve for x
    x = 20,779,797,559.42/154,778.88
  6. Step 6: Final answer
    x = 134,254.74

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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.