Home / 189,000.03-260,820.50-104,118.51

Finding the Fourth Proportional to 189,000.03, 260,820.50 and 104,118.51

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Solution

The fourth proportional to 189,000.03, 260,820.50 and 104,118.51 is: 143,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,000.03 : 260,820.50 = 104,118.51 : x
  2. Step 2: Convert to fraction form
    189,000.03/260,820.50 = 104,118.51/x
  3. Step 3: Cross multiply
    189,000.03x = 260,820.50 × 104,118.51
  4. Step 4: Simplify right side
    189,000.03x = 27,156,241,316.86
  5. Step 5: Solve for x
    x = 27,156,241,316.86/189,000.03
  6. Step 6: Final answer
    x = 143,683.79

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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.