Home / 155,748.51-233,622.77-89,142.21

Finding the Fourth Proportional to 155,748.51, 233,622.77 and 89,142.21

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Solution

The fourth proportional to 155,748.51, 233,622.77 and 89,142.21 is: 133,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,748.51 : 233,622.77 = 89,142.21 : x
  2. Step 2: Convert to fraction form
    155,748.51/233,622.77 = 89,142.21/x
  3. Step 3: Cross multiply
    155,748.51x = 233,622.77 × 89,142.21
  4. Step 4: Simplify right side
    155,748.51x = 20,825,649,578.41
  5. Step 5: Solve for x
    x = 20,825,649,578.41/155,748.51
  6. Step 6: Final answer
    x = 133,713.32

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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.