Home / 161,946.10-242,919.15-51,138.10

Finding the Fourth Proportional to 161,946.10, 242,919.15 and 51,138.10

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Solution

The fourth proportional to 161,946.10, 242,919.15 and 51,138.10 is: 76,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,946.10 : 242,919.15 = 51,138.10 : x
  2. Step 2: Convert to fraction form
    161,946.10/242,919.15 = 51,138.10/x
  3. Step 3: Cross multiply
    161,946.10x = 242,919.15 × 51,138.10
  4. Step 4: Simplify right side
    161,946.10x = 12,422,423,784.62
  5. Step 5: Solve for x
    x = 12,422,423,784.62/161,946.10
  6. Step 6: Final answer
    x = 76,707.15

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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.