Home / 101,479.26-140,037.93-56,159.15

Finding the Fourth Proportional to 101,479.26, 140,037.93 and 56,159.15

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Solution

The fourth proportional to 101,479.26, 140,037.93 and 56,159.15 is: 77,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,479.26 : 140,037.93 = 56,159.15 : x
  2. Step 2: Convert to fraction form
    101,479.26/140,037.93 = 56,159.15/x
  3. Step 3: Cross multiply
    101,479.26x = 140,037.93 × 56,159.15
  4. Step 4: Simplify right side
    101,479.26x = 7,864,411,116.56
  5. Step 5: Solve for x
    x = 7,864,411,116.56/101,479.26
  6. Step 6: Final answer
    x = 77,497.72

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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.