Home / 148,565.13-205,020.21-84,902.77

Finding the Fourth Proportional to 148,565.13, 205,020.21 and 84,902.77

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Solution

The fourth proportional to 148,565.13, 205,020.21 and 84,902.77 is: 117,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,565.13 : 205,020.21 = 84,902.77 : x
  2. Step 2: Convert to fraction form
    148,565.13/205,020.21 = 84,902.77/x
  3. Step 3: Cross multiply
    148,565.13x = 205,020.21 × 84,902.77
  4. Step 4: Simplify right side
    148,565.13x = 17,406,783,734.98
  5. Step 5: Solve for x
    x = 17,406,783,734.98/148,565.13
  6. Step 6: Final answer
    x = 117,166.01

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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.