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Finding the Fourth Proportional to 161,651.60, 242,477.40 and 73,005.20

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Solution

The fourth proportional to 161,651.60, 242,477.40 and 73,005.20 is: 109,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,651.60 : 242,477.40 = 73,005.20 : x
  2. Step 2: Convert to fraction form
    161,651.60/242,477.40 = 73,005.20/x
  3. Step 3: Cross multiply
    161,651.60x = 242,477.40 × 73,005.20
  4. Step 4: Simplify right side
    161,651.60x = 17,702,111,082.48
  5. Step 5: Solve for x
    x = 17,702,111,082.48/161,651.60
  6. Step 6: Final answer
    x = 109,507.80

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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.