Home / 89,513.84-134,281.68-30,366.40

Finding the Fourth Proportional to 89,513.84, 134,281.68 and 30,366.40

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Solution

The fourth proportional to 89,513.84, 134,281.68 and 30,366.40 is: 45,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,513.84 : 134,281.68 = 30,366.40 : x
  2. Step 2: Convert to fraction form
    89,513.84/134,281.68 = 30,366.40/x
  3. Step 3: Cross multiply
    89,513.84x = 134,281.68 × 30,366.40
  4. Step 4: Simplify right side
    89,513.84x = 4,077,651,207.55
  5. Step 5: Solve for x
    x = 4,077,651,207.55/89,513.84
  6. Step 6: Final answer
    x = 45,553.30

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1.5x scale

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.