Home / 149,901.91-224,741.66-90,723.51

Finding the Fourth Proportional to 149,901.91, 224,741.66 and 90,723.51

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Solution

The fourth proportional to 149,901.91, 224,741.66 and 90,723.51 is: 136,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,901.91 : 224,741.66 = 90,723.51 : x
  2. Step 2: Convert to fraction form
    149,901.91/224,741.66 = 90,723.51/x
  3. Step 3: Cross multiply
    149,901.91x = 224,741.66 × 90,723.51
  4. Step 4: Simplify right side
    149,901.91x = 20,389,351,784.81
  5. Step 5: Solve for x
    x = 20,389,351,784.81/149,901.91
  6. Step 6: Final answer
    x = 136,017.96

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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.