Home / 86,842.84-130,260.18-36,220.96

Finding the Fourth Proportional to 86,842.84, 130,260.18 and 36,220.96

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Solution

The fourth proportional to 86,842.84, 130,260.18 and 36,220.96 is: 54,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,842.84 : 130,260.18 = 36,220.96 : x
  2. Step 2: Convert to fraction form
    86,842.84/130,260.18 = 36,220.96/x
  3. Step 3: Cross multiply
    86,842.84x = 130,260.18 × 36,220.96
  4. Step 4: Simplify right side
    86,842.84x = 4,718,148,769.37
  5. Step 5: Solve for x
    x = 4,718,148,769.37/86,842.84
  6. Step 6: Final answer
    x = 54,329.74

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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.