Home / 101,479.23-140,037.89-56,159.12

Finding the Fourth Proportional to 101,479.23, 140,037.89 and 56,159.12

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Solution

The fourth proportional to 101,479.23, 140,037.89 and 56,159.12 is: 77,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,479.23 : 140,037.89 = 56,159.12 : x
  2. Step 2: Convert to fraction form
    101,479.23/140,037.89 = 56,159.12/x
  3. Step 3: Cross multiply
    101,479.23x = 140,037.89 × 56,159.12
  4. Step 4: Simplify right side
    101,479.23x = 7,864,404,388.26
  5. Step 5: Solve for x
    x = 7,864,404,388.26/101,479.23
  6. Step 6: Final answer
    x = 77,497.68

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1.5x scale

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.