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Finding the Fourth Proportional to 124,162.49, 186,212.88 and 35,416.76

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Solution

The fourth proportional to 124,162.49, 186,212.88 and 35,416.76 is: 53,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,162.49 : 186,212.88 = 35,416.76 : x
  2. Step 2: Convert to fraction form
    124,162.49/186,212.88 = 35,416.76/x
  3. Step 3: Cross multiply
    124,162.49x = 186,212.88 × 35,416.76
  4. Step 4: Simplify right side
    124,162.49x = 6,595,056,879.87
  5. Step 5: Solve for x
    x = 6,595,056,879.87/124,162.49
  6. Step 6: Final answer
    x = 53,116.34

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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.