Home / 161,930.10-242,603.55-99,527.70

Finding the Fourth Proportional to 161,930.10, 242,603.55 and 99,527.70

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Solution

The fourth proportional to 161,930.10, 242,603.55 and 99,527.70 is: 149,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,930.10 : 242,603.55 = 99,527.70 : x
  2. Step 2: Convert to fraction form
    161,930.10/242,603.55 = 99,527.70/x
  3. Step 3: Cross multiply
    161,930.10x = 242,603.55 × 99,527.70
  4. Step 4: Simplify right side
    161,930.10x = 24,145,773,343.34
  5. Step 5: Solve for x
    x = 24,145,773,343.34/161,930.10
  6. Step 6: Final answer
    x = 149,112.32

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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.