Home / 145,807.76-199,902.42-143,150.56

Finding the Fourth Proportional to 145,807.76, 199,902.42 and 143,150.56

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Solution

The fourth proportional to 145,807.76, 199,902.42 and 143,150.56 is: 196,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,807.76 : 199,902.42 = 143,150.56 : x
  2. Step 2: Convert to fraction form
    145,807.76/199,902.42 = 143,150.56/x
  3. Step 3: Cross multiply
    145,807.76x = 199,902.42 × 143,150.56
  4. Step 4: Simplify right side
    145,807.76x = 28,616,143,368.36
  5. Step 5: Solve for x
    x = 28,616,143,368.36/145,807.76
  6. Step 6: Final answer
    x = 196,259.40

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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.