Home / 101,828.55-152,742.69-57,435.15

Finding the Fourth Proportional to 101,828.55, 152,742.69 and 57,435.15

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Solution

The fourth proportional to 101,828.55, 152,742.69 and 57,435.15 is: 86,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,828.55 : 152,742.69 = 57,435.15 : x
  2. Step 2: Convert to fraction form
    101,828.55/152,742.69 = 57,435.15/x
  3. Step 3: Cross multiply
    101,828.55x = 152,742.69 × 57,435.15
  4. Step 4: Simplify right side
    101,828.55x = 8,772,799,311.55
  5. Step 5: Solve for x
    x = 8,772,799,311.55/101,828.55
  6. Step 6: Final answer
    x = 86,152.65

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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.