Home / 215,413.17-323,119.76-57,637.59

Finding the Fourth Proportional to 215,413.17, 323,119.76 and 57,637.59

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Solution

The fourth proportional to 215,413.17, 323,119.76 and 57,637.59 is: 86,456.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,413.17 : 323,119.76 = 57,637.59 : x
  2. Step 2: Convert to fraction form
    215,413.17/323,119.76 = 57,637.59/x
  3. Step 3: Cross multiply
    215,413.17x = 323,119.76 × 57,637.59
  4. Step 4: Simplify right side
    215,413.17x = 18,623,843,959.59
  5. Step 5: Solve for x
    x = 18,623,843,959.59/215,413.17
  6. Step 6: Final answer
    x = 86,456.39

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1.5x scale

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.