Home / 148,966.86-205,618.60-85,347.04

Finding the Fourth Proportional to 148,966.86, 205,618.60 and 85,347.04

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Solution

The fourth proportional to 148,966.86, 205,618.60 and 85,347.04 is: 117,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,966.86 : 205,618.60 = 85,347.04 : x
  2. Step 2: Convert to fraction form
    148,966.86/205,618.60 = 85,347.04/x
  3. Step 3: Cross multiply
    148,966.86x = 205,618.60 × 85,347.04
  4. Step 4: Simplify right side
    148,966.86x = 17,548,938,878.94
  5. Step 5: Solve for x
    x = 17,548,938,878.94/148,966.86
  6. Step 6: Final answer
    x = 117,804.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.