Home / 151,924.05-209,649.60-90,673.47

Finding the Fourth Proportional to 151,924.05, 209,649.60 and 90,673.47

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Solution

The fourth proportional to 151,924.05, 209,649.60 and 90,673.47 is: 125,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,924.05 : 209,649.60 = 90,673.47 : x
  2. Step 2: Convert to fraction form
    151,924.05/209,649.60 = 90,673.47/x
  3. Step 3: Cross multiply
    151,924.05x = 209,649.60 × 90,673.47
  4. Step 4: Simplify right side
    151,924.05x = 19,009,656,716.11
  5. Step 5: Solve for x
    x = 19,009,656,716.11/151,924.05
  6. Step 6: Final answer
    x = 125,126.05

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1.5x scale

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.