Home / 102,404.40-153,628.20-43,209.60

Finding the Fourth Proportional to 102,404.40, 153,628.20 and 43,209.60

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Solution

The fourth proportional to 102,404.40, 153,628.20 and 43,209.60 is: 64,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,404.40 : 153,628.20 = 43,209.60 : x
  2. Step 2: Convert to fraction form
    102,404.40/153,628.20 = 43,209.60/x
  3. Step 3: Cross multiply
    102,404.40x = 153,628.20 × 43,209.60
  4. Step 4: Simplify right side
    102,404.40x = 6,638,213,070.72
  5. Step 5: Solve for x
    x = 6,638,213,070.72/102,404.40
  6. Step 6: Final answer
    x = 64,823.51

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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.