Home / 148,261.51-222,368.69-48,420.86

Finding the Fourth Proportional to 148,261.51, 222,368.69 and 48,420.86

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Solution

The fourth proportional to 148,261.51, 222,368.69 and 48,420.86 is: 72,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,261.51 : 222,368.69 = 48,420.86 : x
  2. Step 2: Convert to fraction form
    148,261.51/222,368.69 = 48,420.86/x
  3. Step 3: Cross multiply
    148,261.51x = 222,368.69 × 48,420.86
  4. Step 4: Simplify right side
    148,261.51x = 10,767,284,092.32
  5. Step 5: Solve for x
    x = 10,767,284,092.32/148,261.51
  6. Step 6: Final answer
    x = 72,623.59

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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.