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Finding the Fourth Proportional to 149,998.70, 224,738.85 and 97,381.10

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Solution

The fourth proportional to 149,998.70, 224,738.85 and 97,381.10 is: 145,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,998.70 : 224,738.85 = 97,381.10 : x
  2. Step 2: Convert to fraction form
    149,998.70/224,738.85 = 97,381.10/x
  3. Step 3: Cross multiply
    149,998.70x = 224,738.85 × 97,381.10
  4. Step 4: Simplify right side
    149,998.70x = 21,885,316,425.74
  5. Step 5: Solve for x
    x = 21,885,316,425.74/149,998.70
  6. Step 6: Final answer
    x = 145,903.37

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1.5x scale

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.