Home / 170,669.63-256,118.72-70,829.91

Finding the Fourth Proportional to 170,669.63, 256,118.72 and 70,829.91

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Solution

The fourth proportional to 170,669.63, 256,118.72 and 70,829.91 is: 106,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,669.63 : 256,118.72 = 70,829.91 : x
  2. Step 2: Convert to fraction form
    170,669.63/256,118.72 = 70,829.91/x
  3. Step 3: Cross multiply
    170,669.63x = 256,118.72 × 70,829.91
  4. Step 4: Simplify right side
    170,669.63x = 18,140,865,532.77
  5. Step 5: Solve for x
    x = 18,140,865,532.77/170,669.63
  6. Step 6: Final answer
    x = 106,292.29

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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.