Home / 189,191.02-261,085.37-104,311.10

Finding the Fourth Proportional to 189,191.02, 261,085.37 and 104,311.10

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Solution

The fourth proportional to 189,191.02, 261,085.37 and 104,311.10 is: 143,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,191.02 : 261,085.37 = 104,311.10 : x
  2. Step 2: Convert to fraction form
    189,191.02/261,085.37 = 104,311.10/x
  3. Step 3: Cross multiply
    189,191.02x = 261,085.37 × 104,311.10
  4. Step 4: Simplify right side
    189,191.02x = 27,234,102,138.61
  5. Step 5: Solve for x
    x = 27,234,102,138.61/189,191.02
  6. Step 6: Final answer
    x = 143,950.29

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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.