Home / 106,428.60-146,869.20-58,682.07

Finding the Fourth Proportional to 106,428.60, 146,869.20 and 58,682.07

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Solution

The fourth proportional to 106,428.60, 146,869.20 and 58,682.07 is: 80,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,428.60 : 146,869.20 = 58,682.07 : x
  2. Step 2: Convert to fraction form
    106,428.60/146,869.20 = 58,682.07/x
  3. Step 3: Cross multiply
    106,428.60x = 146,869.20 × 58,682.07
  4. Step 4: Simplify right side
    106,428.60x = 8,618,588,675.24
  5. Step 5: Solve for x
    x = 8,618,588,675.24/106,428.60
  6. Step 6: Final answer
    x = 80,980.01

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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.