Home / 159,424.22-220,015.40-87,804.23

Finding the Fourth Proportional to 159,424.22, 220,015.40 and 87,804.23

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Solution

The fourth proportional to 159,424.22, 220,015.40 and 87,804.23 is: 121,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,424.22 : 220,015.40 = 87,804.23 : x
  2. Step 2: Convert to fraction form
    159,424.22/220,015.40 = 87,804.23/x
  3. Step 3: Cross multiply
    159,424.22x = 220,015.40 × 87,804.23
  4. Step 4: Simplify right side
    159,424.22x = 19,318,281,246.04
  5. Step 5: Solve for x
    x = 19,318,281,246.04/159,424.22
  6. Step 6: Final answer
    x = 121,175.32

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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.