Home / 101,476.48-140,037.72-56,156.38

Finding the Fourth Proportional to 101,476.48, 140,037.72 and 56,156.38

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Solution

The fourth proportional to 101,476.48, 140,037.72 and 56,156.38 is: 77,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,476.48 : 140,037.72 = 56,156.38 : x
  2. Step 2: Convert to fraction form
    101,476.48/140,037.72 = 56,156.38/x
  3. Step 3: Cross multiply
    101,476.48x = 140,037.72 × 56,156.38
  4. Step 4: Simplify right side
    101,476.48x = 7,864,011,418.65
  5. Step 5: Solve for x
    x = 7,864,011,418.65/101,476.48
  6. Step 6: Final answer
    x = 77,495.90

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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.