Home / 189,450.46-261,423-104,562.06

Finding the Fourth Proportional to 189,450.46, 261,423 and 104,562.06

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Solution

The fourth proportional to 189,450.46, 261,423 and 104,562.06 is: 144,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,450.46 : 261,423 = 104,562.06 : x
  2. Step 2: Convert to fraction form
    189,450.46/261,423 = 104,562.06/x
  3. Step 3: Cross multiply
    189,450.46x = 261,423 × 104,562.06
  4. Step 4: Simplify right side
    189,450.46x = 27,334,927,411.38
  5. Step 5: Solve for x
    x = 27,334,927,411.38/189,450.46
  6. Step 6: Final answer
    x = 144,285.36

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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.