Home / 189,332.48-261,278.79-104,449.53

Finding the Fourth Proportional to 189,332.48, 261,278.79 and 104,449.53

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Solution

The fourth proportional to 189,332.48, 261,278.79 and 104,449.53 is: 144,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,332.48 : 261,278.79 = 104,449.53 : x
  2. Step 2: Convert to fraction form
    189,332.48/261,278.79 = 104,449.53/x
  3. Step 3: Cross multiply
    189,332.48x = 261,278.79 × 104,449.53
  4. Step 4: Simplify right side
    189,332.48x = 27,290,446,814.47
  5. Step 5: Solve for x
    x = 27,290,446,814.47/189,332.48
  6. Step 6: Final answer
    x = 144,140.34

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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.