Home / 152,000.32-228,004.36-72,019.52

Finding the Fourth Proportional to 152,000.32, 228,004.36 and 72,019.52

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Solution

The fourth proportional to 152,000.32, 228,004.36 and 72,019.52 is: 108,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,000.32 : 228,004.36 = 72,019.52 : x
  2. Step 2: Convert to fraction form
    152,000.32/228,004.36 = 72,019.52/x
  3. Step 3: Cross multiply
    152,000.32x = 228,004.36 × 72,019.52
  4. Step 4: Simplify right side
    152,000.32x = 16,420,764,565.11
  5. Step 5: Solve for x
    x = 16,420,764,565.11/152,000.32
  6. Step 6: Final answer
    x = 108,031.12

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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.