Home / 183,430.40-274,985.60-71,187.20

Finding the Fourth Proportional to 183,430.40, 274,985.60 and 71,187.20

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Solution

The fourth proportional to 183,430.40, 274,985.60 and 71,187.20 is: 106,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,430.40 : 274,985.60 = 71,187.20 : x
  2. Step 2: Convert to fraction form
    183,430.40/274,985.60 = 71,187.20/x
  3. Step 3: Cross multiply
    183,430.40x = 274,985.60 × 71,187.20
  4. Step 4: Simplify right side
    183,430.40x = 19,575,454,904.32
  5. Step 5: Solve for x
    x = 19,575,454,904.32/183,430.40
  6. Step 6: Final answer
    x = 106,718.71

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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.