Home / 155,436.82-233,130.36-55,578.40

Finding the Fourth Proportional to 155,436.82, 233,130.36 and 55,578.40

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Solution

The fourth proportional to 155,436.82, 233,130.36 and 55,578.40 is: 83,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,436.82 : 233,130.36 = 55,578.40 : x
  2. Step 2: Convert to fraction form
    155,436.82/233,130.36 = 55,578.40/x
  3. Step 3: Cross multiply
    155,436.82x = 233,130.36 × 55,578.40
  4. Step 4: Simplify right side
    155,436.82x = 12,957,012,400.22
  5. Step 5: Solve for x
    x = 12,957,012,400.22/155,436.82
  6. Step 6: Final answer
    x = 83,358.71

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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.