Home / 203,080.80-280,637.04-152,692.32

Finding the Fourth Proportional to 203,080.80, 280,637.04 and 152,692.32

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Solution

The fourth proportional to 203,080.80, 280,637.04 and 152,692.32 is: 211,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,080.80 : 280,637.04 = 152,692.32 : x
  2. Step 2: Convert to fraction form
    203,080.80/280,637.04 = 152,692.32/x
  3. Step 3: Cross multiply
    203,080.80x = 280,637.04 × 152,692.32
  4. Step 4: Simplify right side
    203,080.80x = 42,851,120,715.53
  5. Step 5: Solve for x
    x = 42,851,120,715.53/203,080.80
  6. Step 6: Final answer
    x = 211,005.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.