Home / 203,427.02-280,758.35-112,803.14

Finding the Fourth Proportional to 203,427.02, 280,758.35 and 112,803.14

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Solution

The fourth proportional to 203,427.02, 280,758.35 and 112,803.14 is: 155,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,427.02 : 280,758.35 = 112,803.14 : x
  2. Step 2: Convert to fraction form
    203,427.02/280,758.35 = 112,803.14/x
  3. Step 3: Cross multiply
    203,427.02x = 280,758.35 × 112,803.14
  4. Step 4: Simplify right side
    203,427.02x = 31,670,423,461.22
  5. Step 5: Solve for x
    x = 31,670,423,461.22/203,427.02
  6. Step 6: Final answer
    x = 155,684.45

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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.