Home / 159,967.08-220,741.74-91,980.54

Finding the Fourth Proportional to 159,967.08, 220,741.74 and 91,980.54

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Solution

The fourth proportional to 159,967.08, 220,741.74 and 91,980.54 is: 126,925.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,967.08 : 220,741.74 = 91,980.54 : x
  2. Step 2: Convert to fraction form
    159,967.08/220,741.74 = 91,980.54/x
  3. Step 3: Cross multiply
    159,967.08x = 220,741.74 × 91,980.54
  4. Step 4: Simplify right side
    159,967.08x = 20,303,944,445.74
  5. Step 5: Solve for x
    x = 20,303,944,445.74/159,967.08
  6. Step 6: Final answer
    x = 126,925.77

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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.