Home / 189,008.14-260,831.22-104,125.20

Finding the Fourth Proportional to 189,008.14, 260,831.22 and 104,125.20

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Solution

The fourth proportional to 189,008.14, 260,831.22 and 104,125.20 is: 143,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,008.14 : 260,831.22 = 104,125.20 : x
  2. Step 2: Convert to fraction form
    189,008.14/260,831.22 = 104,125.20/x
  3. Step 3: Cross multiply
    189,008.14x = 260,831.22 × 104,125.20
  4. Step 4: Simplify right side
    189,008.14x = 27,159,102,948.74
  5. Step 5: Solve for x
    x = 27,159,102,948.74/189,008.14
  6. Step 6: Final answer
    x = 143,692.77

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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.