Home / 189,315.84-261,235.66-104,432.90

Finding the Fourth Proportional to 189,315.84, 261,235.66 and 104,432.90

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Solution

The fourth proportional to 189,315.84, 261,235.66 and 104,432.90 is: 144,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,315.84 : 261,235.66 = 104,432.90 : x
  2. Step 2: Convert to fraction form
    189,315.84/261,235.66 = 104,432.90/x
  3. Step 3: Cross multiply
    189,315.84x = 261,235.66 × 104,432.90
  4. Step 4: Simplify right side
    189,315.84x = 27,281,597,557.21
  5. Step 5: Solve for x
    x = 27,281,597,557.21/189,315.84
  6. Step 6: Final answer
    x = 144,106.26

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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.