Home / 256,942.02-385,423.56-69,953.52

Finding the Fourth Proportional to 256,942.02, 385,423.56 and 69,953.52

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Solution

The fourth proportional to 256,942.02, 385,423.56 and 69,953.52 is: 104,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,942.02 : 385,423.56 = 69,953.52 : x
  2. Step 2: Convert to fraction form
    256,942.02/385,423.56 = 69,953.52/x
  3. Step 3: Cross multiply
    256,942.02x = 385,423.56 × 69,953.52
  4. Step 4: Simplify right side
    256,942.02x = 26,961,734,712.93
  5. Step 5: Solve for x
    x = 26,961,734,712.93/256,942.02
  6. Step 6: Final answer
    x = 104,933.15

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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.