Home / 145,880.23-218,857.25-40,699.12

Finding the Fourth Proportional to 145,880.23, 218,857.25 and 40,699.12

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Solution

The fourth proportional to 145,880.23, 218,857.25 and 40,699.12 is: 61,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,880.23 : 218,857.25 = 40,699.12 : x
  2. Step 2: Convert to fraction form
    145,880.23/218,857.25 = 40,699.12/x
  3. Step 3: Cross multiply
    145,880.23x = 218,857.25 × 40,699.12
  4. Step 4: Simplify right side
    145,880.23x = 8,907,297,480.62
  5. Step 5: Solve for x
    x = 8,907,297,480.62/145,880.23
  6. Step 6: Final answer
    x = 61,058.98

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1.5x scale

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.