Home / 155,743.51-233,615.27-89,137.21

Finding the Fourth Proportional to 155,743.51, 233,615.27 and 89,137.21

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Solution

The fourth proportional to 155,743.51, 233,615.27 and 89,137.21 is: 133,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,743.51 : 233,615.27 = 89,137.21 : x
  2. Step 2: Convert to fraction form
    155,743.51/233,615.27 = 89,137.21/x
  3. Step 3: Cross multiply
    155,743.51x = 233,615.27 × 89,137.21
  4. Step 4: Simplify right side
    155,743.51x = 20,823,813,381.20
  5. Step 5: Solve for x
    x = 20,823,813,381.20/155,743.51
  6. Step 6: Final answer
    x = 133,705.82

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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.