Home / 145,807.39-199,901.90-143,150.18

Finding the Fourth Proportional to 145,807.39, 199,901.90 and 143,150.18

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Solution

The fourth proportional to 145,807.39, 199,901.90 and 143,150.18 is: 196,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,807.39 : 199,901.90 = 143,150.18 : x
  2. Step 2: Convert to fraction form
    145,807.39/199,901.90 = 143,150.18/x
  3. Step 3: Cross multiply
    145,807.39x = 199,901.90 × 143,150.18
  4. Step 4: Simplify right side
    145,807.39x = 28,615,992,967.34
  5. Step 5: Solve for x
    x = 28,615,992,967.34/145,807.39
  6. Step 6: Final answer
    x = 196,258.87

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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.