Home / 106,869.03-160,268.43-39,385.50

Finding the Fourth Proportional to 106,869.03, 160,268.43 and 39,385.50

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Solution

The fourth proportional to 106,869.03, 160,268.43 and 39,385.50 is: 59,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,869.03 : 160,268.43 = 39,385.50 : x
  2. Step 2: Convert to fraction form
    106,869.03/160,268.43 = 39,385.50/x
  3. Step 3: Cross multiply
    106,869.03x = 160,268.43 × 39,385.50
  4. Step 4: Simplify right side
    106,869.03x = 6,312,252,249.77
  5. Step 5: Solve for x
    x = 6,312,252,249.77/106,869.03
  6. Step 6: Final answer
    x = 59,065.31

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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.