Home / 103,245.17-142,478.37-60,254.21

Finding the Fourth Proportional to 103,245.17, 142,478.37 and 60,254.21

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Solution

The fourth proportional to 103,245.17, 142,478.37 and 60,254.21 is: 83,150.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,245.17 : 142,478.37 = 60,254.21 : x
  2. Step 2: Convert to fraction form
    103,245.17/142,478.37 = 60,254.21/x
  3. Step 3: Cross multiply
    103,245.17x = 142,478.37 × 60,254.21
  4. Step 4: Simplify right side
    103,245.17x = 8,584,920,914.05
  5. Step 5: Solve for x
    x = 8,584,920,914.05/103,245.17
  6. Step 6: Final answer
    x = 83,150.83

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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.