Home / 86,842.29-130,259.46-36,220.41

Finding the Fourth Proportional to 86,842.29, 130,259.46 and 36,220.41

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Solution

The fourth proportional to 86,842.29, 130,259.46 and 36,220.41 is: 54,328.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,842.29 : 130,259.46 = 36,220.41 : x
  2. Step 2: Convert to fraction form
    86,842.29/130,259.46 = 36,220.41/x
  3. Step 3: Cross multiply
    86,842.29x = 130,259.46 × 36,220.41
  4. Step 4: Simplify right side
    86,842.29x = 4,718,051,047.58
  5. Step 5: Solve for x
    x = 4,718,051,047.58/86,842.29
  6. Step 6: Final answer
    x = 54,328.96

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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.