Home / 161,904.10-242,564.55-99,501.70

Finding the Fourth Proportional to 161,904.10, 242,564.55 and 99,501.70

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Solution

The fourth proportional to 161,904.10, 242,564.55 and 99,501.70 is: 149,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,904.10 : 242,564.55 = 99,501.70 : x
  2. Step 2: Convert to fraction form
    161,904.10/242,564.55 = 99,501.70/x
  3. Step 3: Cross multiply
    161,904.10x = 242,564.55 × 99,501.70
  4. Step 4: Simplify right side
    161,904.10x = 24,135,585,084.74
  5. Step 5: Solve for x
    x = 24,135,585,084.74/161,904.10
  6. Step 6: Final answer
    x = 149,073.34

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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.