Home / 161,775.98-223,253.03-90,153.55

Finding the Fourth Proportional to 161,775.98, 223,253.03 and 90,153.55

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Solution

The fourth proportional to 161,775.98, 223,253.03 and 90,153.55 is: 124,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,775.98 : 223,253.03 = 90,153.55 : x
  2. Step 2: Convert to fraction form
    161,775.98/223,253.03 = 90,153.55/x
  3. Step 3: Cross multiply
    161,775.98x = 223,253.03 × 90,153.55
  4. Step 4: Simplify right side
    161,775.98x = 20,127,052,870.01
  5. Step 5: Solve for x
    x = 20,127,052,870.01/161,775.98
  6. Step 6: Final answer
    x = 124,413.11

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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.