Home / 145,338.99-200,557.38-79,932.42

Finding the Fourth Proportional to 145,338.99, 200,557.38 and 79,932.42

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Solution

The fourth proportional to 145,338.99, 200,557.38 and 79,932.42 is: 110,301.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,338.99 : 200,557.38 = 79,932.42 : x
  2. Step 2: Convert to fraction form
    145,338.99/200,557.38 = 79,932.42/x
  3. Step 3: Cross multiply
    145,338.99x = 200,557.38 × 79,932.42
  4. Step 4: Simplify right side
    145,338.99x = 16,031,035,329.81
  5. Step 5: Solve for x
    x = 16,031,035,329.81/145,338.99
  6. Step 6: Final answer
    x = 110,301.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.