Home / 100,146.16-150,220.86-47,560.96

Finding the Fourth Proportional to 100,146.16, 150,220.86 and 47,560.96

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Solution

The fourth proportional to 100,146.16, 150,220.86 and 47,560.96 is: 71,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,146.16 : 150,220.86 = 47,560.96 : x
  2. Step 2: Convert to fraction form
    100,146.16/150,220.86 = 47,560.96/x
  3. Step 3: Cross multiply
    100,146.16x = 150,220.86 × 47,560.96
  4. Step 4: Simplify right side
    100,146.16x = 7,144,648,313.63
  5. Step 5: Solve for x
    x = 7,144,648,313.63/100,146.16
  6. Step 6: Final answer
    x = 71,342.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.