Home / 147,278.21-220,900.76-40,677.32

Finding the Fourth Proportional to 147,278.21, 220,900.76 and 40,677.32

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Solution

The fourth proportional to 147,278.21, 220,900.76 and 40,677.32 is: 61,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,278.21 : 220,900.76 = 40,677.32 : x
  2. Step 2: Convert to fraction form
    147,278.21/220,900.76 = 40,677.32/x
  3. Step 3: Cross multiply
    147,278.21x = 220,900.76 × 40,677.32
  4. Step 4: Simplify right side
    147,278.21x = 8,985,649,594.87
  5. Step 5: Solve for x
    x = 8,985,649,594.87/147,278.21
  6. Step 6: Final answer
    x = 61,011.40

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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.