Home / 126,895.41-189,941.36-89,281.17

Finding the Fourth Proportional to 126,895.41, 189,941.36 and 89,281.17

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Solution

The fourth proportional to 126,895.41, 189,941.36 and 89,281.17 is: 133,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,895.41 : 189,941.36 = 89,281.17 : x
  2. Step 2: Convert to fraction form
    126,895.41/189,941.36 = 89,281.17/x
  3. Step 3: Cross multiply
    126,895.41x = 189,941.36 × 89,281.17
  4. Step 4: Simplify right side
    126,895.41x = 16,958,186,405.79
  5. Step 5: Solve for x
    x = 16,958,186,405.79/126,895.41
  6. Step 6: Final answer
    x = 133,639.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.