Home / 170,013.40-255,029.70-51,688.60

Finding the Fourth Proportional to 170,013.40, 255,029.70 and 51,688.60

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Solution

The fourth proportional to 170,013.40, 255,029.70 and 51,688.60 is: 77,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,013.40 : 255,029.70 = 51,688.60 : x
  2. Step 2: Convert to fraction form
    170,013.40/255,029.70 = 51,688.60/x
  3. Step 3: Cross multiply
    170,013.40x = 255,029.70 × 51,688.60
  4. Step 4: Simplify right side
    170,013.40x = 13,182,128,151.42
  5. Step 5: Solve for x
    x = 13,182,128,151.42/170,013.40
  6. Step 6: Final answer
    x = 77,535.82

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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.