Home / 114,741.84-158,298.38-66,334.86

Finding the Fourth Proportional to 114,741.84, 158,298.38 and 66,334.86

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Solution

The fourth proportional to 114,741.84, 158,298.38 and 66,334.86 is: 91,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,741.84 : 158,298.38 = 66,334.86 : x
  2. Step 2: Convert to fraction form
    114,741.84/158,298.38 = 66,334.86/x
  3. Step 3: Cross multiply
    114,741.84x = 158,298.38 × 66,334.86
  4. Step 4: Simplify right side
    114,741.84x = 10,500,700,875.53
  5. Step 5: Solve for x
    x = 10,500,700,875.53/114,741.84
  6. Step 6: Final answer
    x = 91,515.88

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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.