Home / 159,766.04-221,409.16-157,511

Finding the Fourth Proportional to 159,766.04, 221,409.16 and 157,511

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Solution

The fourth proportional to 159,766.04, 221,409.16 and 157,511 is: 218,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,766.04 : 221,409.16 = 157,511 : x
  2. Step 2: Convert to fraction form
    159,766.04/221,409.16 = 157,511/x
  3. Step 3: Cross multiply
    159,766.04x = 221,409.16 × 157,511
  4. Step 4: Simplify right side
    159,766.04x = 34,874,377,413.21
  5. Step 5: Solve for x
    x = 34,874,377,413.21/159,766.04
  6. Step 6: Final answer
    x = 218,284.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.