Home / 101,476.36-140,035.28-56,154.31

Finding the Fourth Proportional to 101,476.36, 140,035.28 and 56,154.31

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Solution

The fourth proportional to 101,476.36, 140,035.28 and 56,154.31 is: 77,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,476.36 : 140,035.28 = 56,154.31 : x
  2. Step 2: Convert to fraction form
    101,476.36/140,035.28 = 56,154.31/x
  3. Step 3: Cross multiply
    101,476.36x = 140,035.28 × 56,154.31
  4. Step 4: Simplify right side
    101,476.36x = 7,863,583,893.20
  5. Step 5: Solve for x
    x = 7,863,583,893.20/101,476.36
  6. Step 6: Final answer
    x = 77,491.78

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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.