Home / 159,513.23-220,138.09-87,893.24

Finding the Fourth Proportional to 159,513.23, 220,138.09 and 87,893.24

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Solution

The fourth proportional to 159,513.23, 220,138.09 and 87,893.24 is: 121,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,513.23 : 220,138.09 = 87,893.24 : x
  2. Step 2: Convert to fraction form
    159,513.23/220,138.09 = 87,893.24/x
  3. Step 3: Cross multiply
    159,513.23x = 220,138.09 × 87,893.24
  4. Step 4: Simplify right side
    159,513.23x = 19,348,648,657.09
  5. Step 5: Solve for x
    x = 19,348,648,657.09/159,513.23
  6. Step 6: Final answer
    x = 121,298.08

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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.