Home / 145,748.16-218,622.48-40,567.20

Finding the Fourth Proportional to 145,748.16, 218,622.48 and 40,567.20

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Solution

The fourth proportional to 145,748.16, 218,622.48 and 40,567.20 is: 60,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,748.16 : 218,622.48 = 40,567.20 : x
  2. Step 2: Convert to fraction form
    145,748.16/218,622.48 = 40,567.20/x
  3. Step 3: Cross multiply
    145,748.16x = 218,622.48 × 40,567.20
  4. Step 4: Simplify right side
    145,748.16x = 8,868,901,870.66
  5. Step 5: Solve for x
    x = 8,868,901,870.66/145,748.16
  6. Step 6: Final answer
    x = 60,850.87

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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.