Home / 145,984.88-218,958.48-46,155.20

Finding the Fourth Proportional to 145,984.88, 218,958.48 and 46,155.20

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Solution

The fourth proportional to 145,984.88, 218,958.48 and 46,155.20 is: 69,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,984.88 : 218,958.48 = 46,155.20 : x
  2. Step 2: Convert to fraction form
    145,984.88/218,958.48 = 46,155.20/x
  3. Step 3: Cross multiply
    145,984.88x = 218,958.48 × 46,155.20
  4. Step 4: Simplify right side
    145,984.88x = 10,106,072,436.10
  5. Step 5: Solve for x
    x = 10,106,072,436.10/145,984.88
  6. Step 6: Final answer
    x = 69,226.84

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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.