Home / 145,826.58-218,758.32-40,645.55

Finding the Fourth Proportional to 145,826.58, 218,758.32 and 40,645.55

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Solution

The fourth proportional to 145,826.58, 218,758.32 and 40,645.55 is: 60,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,826.58 : 218,758.32 = 40,645.55 : x
  2. Step 2: Convert to fraction form
    145,826.58/218,758.32 = 40,645.55/x
  3. Step 3: Cross multiply
    145,826.58x = 218,758.32 × 40,645.55
  4. Step 4: Simplify right side
    145,826.58x = 8,891,551,549.86
  5. Step 5: Solve for x
    x = 8,891,551,549.86/145,826.58
  6. Step 6: Final answer
    x = 60,973.46

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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.