Home / 152,487.38-210,313.92-91,994.96

Finding the Fourth Proportional to 152,487.38, 210,313.92 and 91,994.96

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Solution

The fourth proportional to 152,487.38, 210,313.92 and 91,994.96 is: 126,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,487.38 : 210,313.92 = 91,994.96 : x
  2. Step 2: Convert to fraction form
    152,487.38/210,313.92 = 91,994.96/x
  3. Step 3: Cross multiply
    152,487.38x = 210,313.92 × 91,994.96
  4. Step 4: Simplify right side
    152,487.38x = 19,347,820,657.84
  5. Step 5: Solve for x
    x = 19,347,820,657.84/152,487.38
  6. Step 6: Final answer
    x = 126,881.46

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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.