Home / 121,869.60-182,804.40-106,317.60

Finding the Fourth Proportional to 121,869.60, 182,804.40 and 106,317.60

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Solution

The fourth proportional to 121,869.60, 182,804.40 and 106,317.60 is: 159,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,869.60 : 182,804.40 = 106,317.60 : x
  2. Step 2: Convert to fraction form
    121,869.60/182,804.40 = 106,317.60/x
  3. Step 3: Cross multiply
    121,869.60x = 182,804.40 × 106,317.60
  4. Step 4: Simplify right side
    121,869.60x = 19,435,325,077.44
  5. Step 5: Solve for x
    x = 19,435,325,077.44/121,869.60
  6. Step 6: Final answer
    x = 159,476.40

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1.5x scale

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.