Home / 157,944.01-217,413.48-137,765.74

Finding the Fourth Proportional to 157,944.01, 217,413.48 and 137,765.74

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Solution

The fourth proportional to 157,944.01, 217,413.48 and 137,765.74 is: 189,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,944.01 : 217,413.48 = 137,765.74 : x
  2. Step 2: Convert to fraction form
    157,944.01/217,413.48 = 137,765.74/x
  3. Step 3: Cross multiply
    157,944.01x = 217,413.48 × 137,765.74
  4. Step 4: Simplify right side
    157,944.01x = 29,952,128,958.18
  5. Step 5: Solve for x
    x = 29,952,128,958.18/157,944.01
  6. Step 6: Final answer
    x = 189,637.64

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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.