Home / 103,686.71-155,550.41-47,528.20

Finding the Fourth Proportional to 103,686.71, 155,550.41 and 47,528.20

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Solution

The fourth proportional to 103,686.71, 155,550.41 and 47,528.20 is: 71,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,686.71 : 155,550.41 = 47,528.20 : x
  2. Step 2: Convert to fraction form
    103,686.71/155,550.41 = 47,528.20/x
  3. Step 3: Cross multiply
    103,686.71x = 155,550.41 × 47,528.20
  4. Step 4: Simplify right side
    103,686.71x = 7,393,030,996.56
  5. Step 5: Solve for x
    x = 7,393,030,996.56/103,686.71
  6. Step 6: Final answer
    x = 71,301.63

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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.