Home / 152,165.20-228,247.80-99,288.40

Finding the Fourth Proportional to 152,165.20, 228,247.80 and 99,288.40

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Solution

The fourth proportional to 152,165.20, 228,247.80 and 99,288.40 is: 148,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,165.20 : 228,247.80 = 99,288.40 : x
  2. Step 2: Convert to fraction form
    152,165.20/228,247.80 = 99,288.40/x
  3. Step 3: Cross multiply
    152,165.20x = 228,247.80 × 99,288.40
  4. Step 4: Simplify right side
    152,165.20x = 22,662,358,865.52
  5. Step 5: Solve for x
    x = 22,662,358,865.52/152,165.20
  6. Step 6: Final answer
    x = 148,932.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.