Home / 189,211.28-260,840.26-148,854.96

Finding the Fourth Proportional to 189,211.28, 260,840.26 and 148,854.96

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Solution

The fourth proportional to 189,211.28, 260,840.26 and 148,854.96 is: 205,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,211.28 : 260,840.26 = 148,854.96 : x
  2. Step 2: Convert to fraction form
    189,211.28/260,840.26 = 148,854.96/x
  3. Step 3: Cross multiply
    189,211.28x = 260,840.26 × 148,854.96
  4. Step 4: Simplify right side
    189,211.28x = 38,827,366,468.69
  5. Step 5: Solve for x
    x = 38,827,366,468.69/189,211.28
  6. Step 6: Final answer
    x = 205,206.40

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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.