Home / 149,948.34-224,811.41-90,770.01

Finding the Fourth Proportional to 149,948.34, 224,811.41 and 90,770.01

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Solution

The fourth proportional to 149,948.34, 224,811.41 and 90,770.01 is: 136,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,948.34 : 224,811.41 = 90,770.01 : x
  2. Step 2: Convert to fraction form
    149,948.34/224,811.41 = 90,770.01/x
  3. Step 3: Cross multiply
    149,948.34x = 224,811.41 × 90,770.01
  4. Step 4: Simplify right side
    149,948.34x = 20,406,133,479.96
  5. Step 5: Solve for x
    x = 20,406,133,479.96/149,948.34
  6. Step 6: Final answer
    x = 136,087.76

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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.