Home / 155,980.94-233,758.07-84,810.49

Finding the Fourth Proportional to 155,980.94, 233,758.07 and 84,810.49

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Solution

The fourth proportional to 155,980.94, 233,758.07 and 84,810.49 is: 127,099.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,980.94 : 233,758.07 = 84,810.49 : x
  2. Step 2: Convert to fraction form
    155,980.94/233,758.07 = 84,810.49/x
  3. Step 3: Cross multiply
    155,980.94x = 233,758.07 × 84,810.49
  4. Step 4: Simplify right side
    155,980.94x = 19,825,135,767.75
  5. Step 5: Solve for x
    x = 19,825,135,767.75/155,980.94
  6. Step 6: Final answer
    x = 127,099.74

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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.