Home / 145,182.24-200,350.80-81,525.60

Finding the Fourth Proportional to 145,182.24, 200,350.80 and 81,525.60

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Solution

The fourth proportional to 145,182.24, 200,350.80 and 81,525.60 is: 112,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,182.24 : 200,350.80 = 81,525.60 : x
  2. Step 2: Convert to fraction form
    145,182.24/200,350.80 = 81,525.60/x
  3. Step 3: Cross multiply
    145,182.24x = 200,350.80 × 81,525.60
  4. Step 4: Simplify right side
    145,182.24x = 16,333,719,180.48
  5. Step 5: Solve for x
    x = 16,333,719,180.48/145,182.24
  6. Step 6: Final answer
    x = 112,504.94

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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.