Home / 189,122.04-260,904.24-108,530.28

Finding the Fourth Proportional to 189,122.04, 260,904.24 and 108,530.28

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Solution

The fourth proportional to 189,122.04, 260,904.24 and 108,530.28 is: 149,723.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,122.04 : 260,904.24 = 108,530.28 : x
  2. Step 2: Convert to fraction form
    189,122.04/260,904.24 = 108,530.28/x
  3. Step 3: Cross multiply
    189,122.04x = 260,904.24 × 108,530.28
  4. Step 4: Simplify right side
    189,122.04x = 28,316,010,220.39
  5. Step 5: Solve for x
    x = 28,316,010,220.39/189,122.04
  6. Step 6: Final answer
    x = 149,723.48

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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.