Home / 154,778.94-213,504.45-97,327.34

Finding the Fourth Proportional to 154,778.94, 213,504.45 and 97,327.34

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Solution

The fourth proportional to 154,778.94, 213,504.45 and 97,327.34 is: 134,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,778.94 : 213,504.45 = 97,327.34 : x
  2. Step 2: Convert to fraction form
    154,778.94/213,504.45 = 97,327.34/x
  3. Step 3: Cross multiply
    154,778.94x = 213,504.45 × 97,327.34
  4. Step 4: Simplify right side
    154,778.94x = 20,779,819,176.27
  5. Step 5: Solve for x
    x = 20,779,819,176.27/154,778.94
  6. Step 6: Final answer
    x = 134,254.82

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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.