Home / 145,808.01-199,902.76-143,150.81

Finding the Fourth Proportional to 145,808.01, 199,902.76 and 143,150.81

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Solution

The fourth proportional to 145,808.01, 199,902.76 and 143,150.81 is: 196,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,808.01 : 199,902.76 = 143,150.81 : x
  2. Step 2: Convert to fraction form
    145,808.01/199,902.76 = 143,150.81/x
  3. Step 3: Cross multiply
    145,808.01x = 199,902.76 × 143,150.81
  4. Step 4: Simplify right side
    145,808.01x = 28,616,240,657.84
  5. Step 5: Solve for x
    x = 28,616,240,657.84/145,808.01
  6. Step 6: Final answer
    x = 196,259.73

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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.