Home / 121,317.60-181,890.24-46,374.60

Finding the Fourth Proportional to 121,317.60, 181,890.24 and 46,374.60

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Solution

The fourth proportional to 121,317.60, 181,890.24 and 46,374.60 is: 69,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,317.60 : 181,890.24 = 46,374.60 : x
  2. Step 2: Convert to fraction form
    121,317.60/181,890.24 = 46,374.60/x
  3. Step 3: Cross multiply
    121,317.60x = 181,890.24 × 46,374.60
  4. Step 4: Simplify right side
    121,317.60x = 8,435,087,123.90
  5. Step 5: Solve for x
    x = 8,435,087,123.90/121,317.60
  6. Step 6: Final answer
    x = 69,528.96

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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.