Home / 256,114.02-384,171.12-69,125.52

Finding the Fourth Proportional to 256,114.02, 384,171.12 and 69,125.52

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Solution

The fourth proportional to 256,114.02, 384,171.12 and 69,125.52 is: 103,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,114.02 : 384,171.12 = 69,125.52 : x
  2. Step 2: Convert to fraction form
    256,114.02/384,171.12 = 69,125.52/x
  3. Step 3: Cross multiply
    256,114.02x = 384,171.12 × 69,125.52
  4. Step 4: Simplify right side
    256,114.02x = 26,556,028,438.98
  5. Step 5: Solve for x
    x = 26,556,028,438.98/256,114.02
  6. Step 6: Final answer
    x = 103,688.30

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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.