Home / 145,812.02-199,908.24-143,154.80

Finding the Fourth Proportional to 145,812.02, 199,908.24 and 143,154.80

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Solution

The fourth proportional to 145,812.02, 199,908.24 and 143,154.80 is: 196,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,812.02 : 199,908.24 = 143,154.80 : x
  2. Step 2: Convert to fraction form
    145,812.02/199,908.24 = 143,154.80/x
  3. Step 3: Cross multiply
    145,812.02x = 199,908.24 × 143,154.80
  4. Step 4: Simplify right side
    145,812.02x = 28,617,824,115.55
  5. Step 5: Solve for x
    x = 28,617,824,115.55/145,812.02
  6. Step 6: Final answer
    x = 196,265.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.