Home / 147,869.60-221,804.40-121,625.60

Finding the Fourth Proportional to 147,869.60, 221,804.40 and 121,625.60

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Solution

The fourth proportional to 147,869.60, 221,804.40 and 121,625.60 is: 182,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,869.60 : 221,804.40 = 121,625.60 : x
  2. Step 2: Convert to fraction form
    147,869.60/221,804.40 = 121,625.60/x
  3. Step 3: Cross multiply
    147,869.60x = 221,804.40 × 121,625.60
  4. Step 4: Simplify right side
    147,869.60x = 26,977,093,232.64
  5. Step 5: Solve for x
    x = 26,977,093,232.64/147,869.60
  6. Step 6: Final answer
    x = 182,438.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.