Home / 152,272.32-228,437.64-47,072.76

Finding the Fourth Proportional to 152,272.32, 228,437.64 and 47,072.76

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Solution

The fourth proportional to 152,272.32, 228,437.64 and 47,072.76 is: 70,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,272.32 : 228,437.64 = 47,072.76 : x
  2. Step 2: Convert to fraction form
    152,272.32/228,437.64 = 47,072.76/x
  3. Step 3: Cross multiply
    152,272.32x = 228,437.64 × 47,072.76
  4. Step 4: Simplify right side
    152,272.32x = 10,753,190,202.69
  5. Step 5: Solve for x
    x = 10,753,190,202.69/152,272.32
  6. Step 6: Final answer
    x = 70,618.15

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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.