Home / 203,444.07-280,766.95-112,808.41

Finding the Fourth Proportional to 203,444.07, 280,766.95 and 112,808.41

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Solution

The fourth proportional to 203,444.07, 280,766.95 and 112,808.41 is: 155,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,444.07 : 280,766.95 = 112,808.41 : x
  2. Step 2: Convert to fraction form
    203,444.07/280,766.95 = 112,808.41/x
  3. Step 3: Cross multiply
    203,444.07x = 280,766.95 × 112,808.41
  4. Step 4: Simplify right side
    203,444.07x = 31,672,872,226.11
  5. Step 5: Solve for x
    x = 31,672,872,226.11/203,444.07
  6. Step 6: Final answer
    x = 155,683.44

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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.