Home / 153,564.46-211,821.96-105,734.74

Finding the Fourth Proportional to 153,564.46, 211,821.96 and 105,734.74

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Solution

The fourth proportional to 153,564.46, 211,821.96 and 105,734.74 is: 145,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,564.46 : 211,821.96 = 105,734.74 : x
  2. Step 2: Convert to fraction form
    153,564.46/211,821.96 = 105,734.74/x
  3. Step 3: Cross multiply
    153,564.46x = 211,821.96 × 105,734.74
  4. Step 4: Simplify right side
    153,564.46x = 22,396,939,866.89
  5. Step 5: Solve for x
    x = 22,396,939,866.89/153,564.46
  6. Step 6: Final answer
    x = 145,847.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.