Home / 101,965.04-140,715.74-69,767.18

Finding the Fourth Proportional to 101,965.04, 140,715.74 and 69,767.18

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Solution

The fourth proportional to 101,965.04, 140,715.74 and 69,767.18 is: 96,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,965.04 : 140,715.74 = 69,767.18 : x
  2. Step 2: Convert to fraction form
    101,965.04/140,715.74 = 69,767.18/x
  3. Step 3: Cross multiply
    101,965.04x = 140,715.74 × 69,767.18
  4. Step 4: Simplify right side
    101,965.04x = 9,817,341,151.46
  5. Step 5: Solve for x
    x = 9,817,341,151.46/101,965.04
  6. Step 6: Final answer
    x = 96,281.44

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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.