Home / 189,631.42-261,690.56-104,748.48

Finding the Fourth Proportional to 189,631.42, 261,690.56 and 104,748.48

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Solution

The fourth proportional to 189,631.42, 261,690.56 and 104,748.48 is: 144,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,631.42 : 261,690.56 = 104,748.48 : x
  2. Step 2: Convert to fraction form
    189,631.42/261,690.56 = 104,748.48/x
  3. Step 3: Cross multiply
    189,631.42x = 261,690.56 × 104,748.48
  4. Step 4: Simplify right side
    189,631.42x = 27,411,687,866.61
  5. Step 5: Solve for x
    x = 27,411,687,866.61/189,631.42
  6. Step 6: Final answer
    x = 144,552.46

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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.