Home / 101,530.13-140,107.04-56,204.93

Finding the Fourth Proportional to 101,530.13, 140,107.04 and 56,204.93

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Solution

The fourth proportional to 101,530.13, 140,107.04 and 56,204.93 is: 77,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,530.13 : 140,107.04 = 56,204.93 : x
  2. Step 2: Convert to fraction form
    101,530.13/140,107.04 = 56,204.93/x
  3. Step 3: Cross multiply
    101,530.13x = 140,107.04 × 56,204.93
  4. Step 4: Simplify right side
    101,530.13x = 7,874,706,375.71
  5. Step 5: Solve for x
    x = 7,874,706,375.71/101,530.13
  6. Step 6: Final answer
    x = 77,560.29

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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.