Home / 99,762.20-149,559.02-46,426.66

Finding the Fourth Proportional to 99,762.20, 149,559.02 and 46,426.66

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Solution

The fourth proportional to 99,762.20, 149,559.02 and 46,426.66 is: 69,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,762.20 : 149,559.02 = 46,426.66 : x
  2. Step 2: Convert to fraction form
    99,762.20/149,559.02 = 46,426.66/x
  3. Step 3: Cross multiply
    99,762.20x = 149,559.02 × 46,426.66
  4. Step 4: Simplify right side
    99,762.20x = 6,943,525,023.68
  5. Step 5: Solve for x
    x = 6,943,525,023.68/99,762.20
  6. Step 6: Final answer
    x = 69,600.76

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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.