Home / 178,300.64-267,201.28-128,145.44

Finding the Fourth Proportional to 178,300.64, 267,201.28 and 128,145.44

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Solution

The fourth proportional to 178,300.64, 267,201.28 and 128,145.44 is: 192,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,300.64 : 267,201.28 = 128,145.44 : x
  2. Step 2: Convert to fraction form
    178,300.64/267,201.28 = 128,145.44/x
  3. Step 3: Cross multiply
    178,300.64x = 267,201.28 × 128,145.44
  4. Step 4: Simplify right side
    178,300.64x = 34,240,626,422.35
  5. Step 5: Solve for x
    x = 34,240,626,422.35/178,300.64
  6. Step 6: Final answer
    x = 192,038.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.