Home / 203,426.02-280,756.97-112,802.14

Finding the Fourth Proportional to 203,426.02, 280,756.97 and 112,802.14

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Solution

The fourth proportional to 203,426.02, 280,756.97 and 112,802.14 is: 155,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,426.02 : 280,756.97 = 112,802.14 : x
  2. Step 2: Convert to fraction form
    203,426.02/280,756.97 = 112,802.14/x
  3. Step 3: Cross multiply
    203,426.02x = 280,756.97 × 112,802.14
  4. Step 4: Simplify right side
    203,426.02x = 31,669,987,035.92
  5. Step 5: Solve for x
    x = 31,669,987,035.92/203,426.02
  6. Step 6: Final answer
    x = 155,683.07

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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.