Home / 189,104.72-260,881.85-135,370.13

Finding the Fourth Proportional to 189,104.72, 260,881.85 and 135,370.13

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Solution

The fourth proportional to 189,104.72, 260,881.85 and 135,370.13 is: 186,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,104.72 : 260,881.85 = 135,370.13 : x
  2. Step 2: Convert to fraction form
    189,104.72/260,881.85 = 135,370.13/x
  3. Step 3: Cross multiply
    189,104.72x = 260,881.85 × 135,370.13
  4. Step 4: Simplify right side
    189,104.72x = 35,315,609,272.29
  5. Step 5: Solve for x
    x = 35,315,609,272.29/189,104.72
  6. Step 6: Final answer
    x = 186,751.60

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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.