Home / 165,071.48-228,012.32-136,506.52

Finding the Fourth Proportional to 165,071.48, 228,012.32 and 136,506.52

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Solution

The fourth proportional to 165,071.48, 228,012.32 and 136,506.52 is: 188,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,071.48 : 228,012.32 = 136,506.52 : x
  2. Step 2: Convert to fraction form
    165,071.48/228,012.32 = 136,506.52/x
  3. Step 3: Cross multiply
    165,071.48x = 228,012.32 × 136,506.52
  4. Step 4: Simplify right side
    165,071.48x = 31,125,168,320.33
  5. Step 5: Solve for x
    x = 31,125,168,320.33/165,071.48
  6. Step 6: Final answer
    x = 188,555.70

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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.