Home / 145,388.16-218,041.92-40,199.04

Finding the Fourth Proportional to 145,388.16, 218,041.92 and 40,199.04

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Solution

The fourth proportional to 145,388.16, 218,041.92 and 40,199.04 is: 60,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,388.16 : 218,041.92 = 40,199.04 : x
  2. Step 2: Convert to fraction form
    145,388.16/218,041.92 = 40,199.04/x
  3. Step 3: Cross multiply
    145,388.16x = 218,041.92 × 40,199.04
  4. Step 4: Simplify right side
    145,388.16x = 8,765,075,863.76
  5. Step 5: Solve for x
    x = 8,765,075,863.76/145,388.16
  6. Step 6: Final answer
    x = 60,287.41

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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.