Home / 170,905.68-256,359.16-52,576.20

Finding the Fourth Proportional to 170,905.68, 256,359.16 and 52,576.20

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Solution

The fourth proportional to 170,905.68, 256,359.16 and 52,576.20 is: 78,864.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,905.68 : 256,359.16 = 52,576.20 : x
  2. Step 2: Convert to fraction form
    170,905.68/256,359.16 = 52,576.20/x
  3. Step 3: Cross multiply
    170,905.68x = 256,359.16 × 52,576.20
  4. Step 4: Simplify right side
    170,905.68x = 13,478,390,467.99
  5. Step 5: Solve for x
    x = 13,478,390,467.99/170,905.68
  6. Step 6: Final answer
    x = 78,864.50

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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.