Home / 239,159.34-330,054.85-131,729.35

Finding the Fourth Proportional to 239,159.34, 330,054.85 and 131,729.35

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Solution

The fourth proportional to 239,159.34, 330,054.85 and 131,729.35 is: 181,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,159.34 : 330,054.85 = 131,729.35 : x
  2. Step 2: Convert to fraction form
    239,159.34/330,054.85 = 131,729.35/x
  3. Step 3: Cross multiply
    239,159.34x = 330,054.85 × 131,729.35
  4. Step 4: Simplify right side
    239,159.34x = 43,477,909,452.48
  5. Step 5: Solve for x
    x = 43,477,909,452.48/239,159.34
  6. Step 6: Final answer
    x = 181,794.74

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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.