Home / 101,476.20-140,035.06-56,154.15

Finding the Fourth Proportional to 101,476.20, 140,035.06 and 56,154.15

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Solution

The fourth proportional to 101,476.20, 140,035.06 and 56,154.15 is: 77,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,476.20 : 140,035.06 = 56,154.15 : x
  2. Step 2: Convert to fraction form
    101,476.20/140,035.06 = 56,154.15/x
  3. Step 3: Cross multiply
    101,476.20x = 140,035.06 × 56,154.15
  4. Step 4: Simplify right side
    101,476.20x = 7,863,550,359.82
  5. Step 5: Solve for x
    x = 7,863,550,359.82/101,476.20
  6. Step 6: Final answer
    x = 77,491.57

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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.