Home / 152,288.20-228,464.70-47,117.80

Finding the Fourth Proportional to 152,288.20, 228,464.70 and 47,117.80

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Solution

The fourth proportional to 152,288.20, 228,464.70 and 47,117.80 is: 70,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,288.20 : 228,464.70 = 47,117.80 : x
  2. Step 2: Convert to fraction form
    152,288.20/228,464.70 = 47,117.80/x
  3. Step 3: Cross multiply
    152,288.20x = 228,464.70 × 47,117.80
  4. Step 4: Simplify right side
    152,288.20x = 10,764,754,041.66
  5. Step 5: Solve for x
    x = 10,764,754,041.66/152,288.20
  6. Step 6: Final answer
    x = 70,686.72

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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.