Home / 155,697.09-233,471.82-80,742.22

Finding the Fourth Proportional to 155,697.09, 233,471.82 and 80,742.22

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Solution

The fourth proportional to 155,697.09, 233,471.82 and 80,742.22 is: 121,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,697.09 : 233,471.82 = 80,742.22 : x
  2. Step 2: Convert to fraction form
    155,697.09/233,471.82 = 80,742.22/x
  3. Step 3: Cross multiply
    155,697.09x = 233,471.82 × 80,742.22
  4. Step 4: Simplify right side
    155,697.09x = 18,851,032,319.17
  5. Step 5: Solve for x
    x = 18,851,032,319.17/155,697.09
  6. Step 6: Final answer
    x = 121,075.05

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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.