Home / 165,888.16-228,925.77-90,436.66

Finding the Fourth Proportional to 165,888.16, 228,925.77 and 90,436.66

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Solution

The fourth proportional to 165,888.16, 228,925.77 and 90,436.66 is: 124,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888.16 : 228,925.77 = 90,436.66 : x
  2. Step 2: Convert to fraction form
    165,888.16/228,925.77 = 90,436.66/x
  3. Step 3: Cross multiply
    165,888.16x = 228,925.77 × 90,436.66
  4. Step 4: Simplify right side
    165,888.16x = 20,703,282,026.73
  5. Step 5: Solve for x
    x = 20,703,282,026.73/165,888.16
  6. Step 6: Final answer
    x = 124,802.65

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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.