Home / 135,744.96-187,363.68-76,148.16

Finding the Fourth Proportional to 135,744.96, 187,363.68 and 76,148.16

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Solution

The fourth proportional to 135,744.96, 187,363.68 and 76,148.16 is: 105,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,744.96 : 187,363.68 = 76,148.16 : x
  2. Step 2: Convert to fraction form
    135,744.96/187,363.68 = 76,148.16/x
  3. Step 3: Cross multiply
    135,744.96x = 187,363.68 × 76,148.16
  4. Step 4: Simplify right side
    135,744.96x = 14,267,399,482.83
  5. Step 5: Solve for x
    x = 14,267,399,482.83/135,744.96
  6. Step 6: Final answer
    x = 105,104.45

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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.