Home / 203,050.02-280,211.24-112,407.50

Finding the Fourth Proportional to 203,050.02, 280,211.24 and 112,407.50

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Solution

The fourth proportional to 203,050.02, 280,211.24 and 112,407.50 is: 155,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,050.02 : 280,211.24 = 112,407.50 : x
  2. Step 2: Convert to fraction form
    203,050.02/280,211.24 = 112,407.50/x
  3. Step 3: Cross multiply
    203,050.02x = 280,211.24 × 112,407.50
  4. Step 4: Simplify right side
    203,050.02x = 31,497,844,960.30
  5. Step 5: Solve for x
    x = 31,497,844,960.30/203,050.02
  6. Step 6: Final answer
    x = 155,123.57

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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.