Home / 161,921.10-242,881.65-49,601.10

Finding the Fourth Proportional to 161,921.10, 242,881.65 and 49,601.10

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Solution

The fourth proportional to 161,921.10, 242,881.65 and 49,601.10 is: 74,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,921.10 : 242,881.65 = 49,601.10 : x
  2. Step 2: Convert to fraction form
    161,921.10/242,881.65 = 49,601.10/x
  3. Step 3: Cross multiply
    161,921.10x = 242,881.65 × 49,601.10
  4. Step 4: Simplify right side
    161,921.10x = 12,047,197,009.82
  5. Step 5: Solve for x
    x = 12,047,197,009.82/161,921.10
  6. Step 6: Final answer
    x = 74,401.65

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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.