Home / 209,028.60-288,484.34-124,145.87

Finding the Fourth Proportional to 209,028.60, 288,484.34 and 124,145.87

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Solution

The fourth proportional to 209,028.60, 288,484.34 and 124,145.87 is: 171,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,028.60 : 288,484.34 = 124,145.87 : x
  2. Step 2: Convert to fraction form
    209,028.60/288,484.34 = 124,145.87/x
  3. Step 3: Cross multiply
    209,028.60x = 288,484.34 × 124,145.87
  4. Step 4: Simplify right side
    209,028.60x = 35,814,137,307.52
  5. Step 5: Solve for x
    x = 35,814,137,307.52/209,028.60
  6. Step 6: Final answer
    x = 171,336.06

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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.