Home / 155,744.51-233,616.77-89,138.21

Finding the Fourth Proportional to 155,744.51, 233,616.77 and 89,138.21

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Solution

The fourth proportional to 155,744.51, 233,616.77 and 89,138.21 is: 133,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,744.51 : 233,616.77 = 89,138.21 : x
  2. Step 2: Convert to fraction form
    155,744.51/233,616.77 = 89,138.21/x
  3. Step 3: Cross multiply
    155,744.51x = 233,616.77 × 89,138.21
  4. Step 4: Simplify right side
    155,744.51x = 20,824,180,703.78
  5. Step 5: Solve for x
    x = 20,824,180,703.78/155,744.51
  6. Step 6: Final answer
    x = 133,707.32

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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.