Home / 165,889.16-228,927.15-90,437.66

Finding the Fourth Proportional to 165,889.16, 228,927.15 and 90,437.66

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Solution

The fourth proportional to 165,889.16, 228,927.15 and 90,437.66 is: 124,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,889.16 : 228,927.15 = 90,437.66 : x
  2. Step 2: Convert to fraction form
    165,889.16/228,927.15 = 90,437.66/x
  3. Step 3: Cross multiply
    165,889.16x = 228,927.15 × 90,437.66
  4. Step 4: Simplify right side
    165,889.16x = 20,703,635,756.47
  5. Step 5: Solve for x
    x = 20,703,635,756.47/165,889.16
  6. Step 6: Final answer
    x = 124,804.03

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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.