Home / 219,140.16-302,413.44-123,667.20

Finding the Fourth Proportional to 219,140.16, 302,413.44 and 123,667.20

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Solution

The fourth proportional to 219,140.16, 302,413.44 and 123,667.20 is: 170,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,140.16 : 302,413.44 = 123,667.20 : x
  2. Step 2: Convert to fraction form
    219,140.16/302,413.44 = 123,667.20/x
  3. Step 3: Cross multiply
    219,140.16x = 302,413.44 × 123,667.20
  4. Step 4: Simplify right side
    219,140.16x = 37,398,623,367.17
  5. Step 5: Solve for x
    x = 37,398,623,367.17/219,140.16
  6. Step 6: Final answer
    x = 170,660.75

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1.5x scale

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.