Home / 166,612.14-229,685.56-118,782.45

Finding the Fourth Proportional to 166,612.14, 229,685.56 and 118,782.45

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Solution

The fourth proportional to 166,612.14, 229,685.56 and 118,782.45 is: 163,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,612.14 : 229,685.56 = 118,782.45 : x
  2. Step 2: Convert to fraction form
    166,612.14/229,685.56 = 118,782.45/x
  3. Step 3: Cross multiply
    166,612.14x = 229,685.56 × 118,782.45
  4. Step 4: Simplify right side
    166,612.14x = 27,282,613,249.47
  5. Step 5: Solve for x
    x = 27,282,613,249.47/166,612.14
  6. Step 6: Final answer
    x = 163,749.25

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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.