Home / 164,230.74-226,766.69-128,522.50

Finding the Fourth Proportional to 164,230.74, 226,766.69 and 128,522.50

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Solution

The fourth proportional to 164,230.74, 226,766.69 and 128,522.50 is: 177,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,230.74 : 226,766.69 = 128,522.50 : x
  2. Step 2: Convert to fraction form
    164,230.74/226,766.69 = 128,522.50/x
  3. Step 3: Cross multiply
    164,230.74x = 226,766.69 × 128,522.50
  4. Step 4: Simplify right side
    164,230.74x = 29,144,621,187.96
  5. Step 5: Solve for x
    x = 29,144,621,187.96/164,230.74
  6. Step 6: Final answer
    x = 177,461.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.