Home / 106,871.03-160,271.43-39,387.50

Finding the Fourth Proportional to 106,871.03, 160,271.43 and 39,387.50

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Solution

The fourth proportional to 106,871.03, 160,271.43 and 39,387.50 is: 59,068.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,871.03 : 160,271.43 = 39,387.50 : x
  2. Step 2: Convert to fraction form
    106,871.03/160,271.43 = 39,387.50/x
  3. Step 3: Cross multiply
    106,871.03x = 160,271.43 × 39,387.50
  4. Step 4: Simplify right side
    106,871.03x = 6,312,690,949.13
  5. Step 5: Solve for x
    x = 6,312,690,949.13/106,871.03
  6. Step 6: Final answer
    x = 59,068.31

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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.