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Finding the Fourth Proportional to 161,130.40, 241,465.20 and 111,824.80

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Solution

The fourth proportional to 161,130.40, 241,465.20 and 111,824.80 is: 167,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,130.40 : 241,465.20 = 111,824.80 : x
  2. Step 2: Convert to fraction form
    161,130.40/241,465.20 = 111,824.80/x
  3. Step 3: Cross multiply
    161,130.40x = 241,465.20 × 111,824.80
  4. Step 4: Simplify right side
    161,130.40x = 27,001,797,696.96
  5. Step 5: Solve for x
    x = 27,001,797,696.96/161,130.40
  6. Step 6: Final answer
    x = 167,577.30

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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.