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Finding the Fourth Proportional to 110,349.08, 165,452.40 and 47,210.40

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Solution

The fourth proportional to 110,349.08, 165,452.40 and 47,210.40 is: 70,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,349.08 : 165,452.40 = 47,210.40 : x
  2. Step 2: Convert to fraction form
    110,349.08/165,452.40 = 47,210.40/x
  3. Step 3: Cross multiply
    110,349.08x = 165,452.40 × 47,210.40
  4. Step 4: Simplify right side
    110,349.08x = 7,811,073,984.96
  5. Step 5: Solve for x
    x = 7,811,073,984.96/110,349.08
  6. Step 6: Final answer
    x = 70,785.13

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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.