Home / 101,376.90-152,070.48-45,207.36

Finding the Fourth Proportional to 101,376.90, 152,070.48 and 45,207.36

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Solution

The fourth proportional to 101,376.90, 152,070.48 and 45,207.36 is: 67,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,376.90 : 152,070.48 = 45,207.36 : x
  2. Step 2: Convert to fraction form
    101,376.90/152,070.48 = 45,207.36/x
  3. Step 3: Cross multiply
    101,376.90x = 152,070.48 × 45,207.36
  4. Step 4: Simplify right side
    101,376.90x = 6,874,704,934.73
  5. Step 5: Solve for x
    x = 6,874,704,934.73/101,376.90
  6. Step 6: Final answer
    x = 67,813.33

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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.