Home / 209,155.60-288,676.62-124,256.26

Finding the Fourth Proportional to 209,155.60, 288,676.62 and 124,256.26

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Solution

The fourth proportional to 209,155.60, 288,676.62 and 124,256.26 is: 171,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,155.60 : 288,676.62 = 124,256.26 : x
  2. Step 2: Convert to fraction form
    209,155.60/288,676.62 = 124,256.26/x
  3. Step 3: Cross multiply
    209,155.60x = 288,676.62 × 124,256.26
  4. Step 4: Simplify right side
    209,155.60x = 35,869,877,150.64
  5. Step 5: Solve for x
    x = 35,869,877,150.64/209,155.60
  6. Step 6: Final answer
    x = 171,498.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.