Home / 175,237.20-262,855.80-145,688.40

Finding the Fourth Proportional to 175,237.20, 262,855.80 and 145,688.40

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Solution

The fourth proportional to 175,237.20, 262,855.80 and 145,688.40 is: 218,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,237.20 : 262,855.80 = 145,688.40 : x
  2. Step 2: Convert to fraction form
    175,237.20/262,855.80 = 145,688.40/x
  3. Step 3: Cross multiply
    175,237.20x = 262,855.80 × 145,688.40
  4. Step 4: Simplify right side
    175,237.20x = 38,295,040,932.72
  5. Step 5: Solve for x
    x = 38,295,040,932.72/175,237.20
  6. Step 6: Final answer
    x = 218,532.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.