Home / 136,343.52-188,057.85-118,161.35

Finding the Fourth Proportional to 136,343.52, 188,057.85 and 118,161.35

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Solution

The fourth proportional to 136,343.52, 188,057.85 and 118,161.35 is: 162,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,343.52 : 188,057.85 = 118,161.35 : x
  2. Step 2: Convert to fraction form
    136,343.52/188,057.85 = 118,161.35/x
  3. Step 3: Cross multiply
    136,343.52x = 188,057.85 × 118,161.35
  4. Step 4: Simplify right side
    136,343.52x = 22,221,169,434.10
  5. Step 5: Solve for x
    x = 22,221,169,434.10/136,343.52
  6. Step 6: Final answer
    x = 162,979.29

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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.