Home / 165,330.80-228,158.76-89,880.92

Finding the Fourth Proportional to 165,330.80, 228,158.76 and 89,880.92

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Solution

The fourth proportional to 165,330.80, 228,158.76 and 89,880.92 is: 124,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,330.80 : 228,158.76 = 89,880.92 : x
  2. Step 2: Convert to fraction form
    165,330.80/228,158.76 = 89,880.92/x
  3. Step 3: Cross multiply
    165,330.80x = 228,158.76 × 89,880.92
  4. Step 4: Simplify right side
    165,330.80x = 20,507,119,254.86
  5. Step 5: Solve for x
    x = 20,507,119,254.86/165,330.80
  6. Step 6: Final answer
    x = 124,036.90

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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.