Home / 145,216.52-200,375.28-90,762.27

Finding the Fourth Proportional to 145,216.52, 200,375.28 and 90,762.27

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Solution

The fourth proportional to 145,216.52, 200,375.28 and 90,762.27 is: 125,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,216.52 : 200,375.28 = 90,762.27 : x
  2. Step 2: Convert to fraction form
    145,216.52/200,375.28 = 90,762.27/x
  3. Step 3: Cross multiply
    145,216.52x = 200,375.28 × 90,762.27
  4. Step 4: Simplify right side
    145,216.52x = 18,186,515,264.69
  5. Step 5: Solve for x
    x = 18,186,515,264.69/145,216.52
  6. Step 6: Final answer
    x = 125,237.23

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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.