Home / 72,165.86-108,221.10-24,772.12

Finding the Fourth Proportional to 72,165.86, 108,221.10 and 24,772.12

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Solution

The fourth proportional to 72,165.86, 108,221.10 and 24,772.12 is: 37,148.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,165.86 : 108,221.10 = 24,772.12 : x
  2. Step 2: Convert to fraction form
    72,165.86/108,221.10 = 24,772.12/x
  3. Step 3: Cross multiply
    72,165.86x = 108,221.10 × 24,772.12
  4. Step 4: Simplify right side
    72,165.86x = 2,680,866,075.73
  5. Step 5: Solve for x
    x = 2,680,866,075.73/72,165.86
  6. Step 6: Final answer
    x = 37,148.67

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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.