Home / 106,539.71-159,701.42-69,123.58

Finding the Fourth Proportional to 106,539.71, 159,701.42 and 69,123.58

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Solution

The fourth proportional to 106,539.71, 159,701.42 and 69,123.58 is: 103,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,539.71 : 159,701.42 = 69,123.58 : x
  2. Step 2: Convert to fraction form
    106,539.71/159,701.42 = 69,123.58/x
  3. Step 3: Cross multiply
    106,539.71x = 159,701.42 × 69,123.58
  4. Step 4: Simplify right side
    106,539.71x = 11,039,133,655.04
  5. Step 5: Solve for x
    x = 11,039,133,655.04/106,539.71
  6. Step 6: Final answer
    x = 103,615.21

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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.