Home / 105,205.07-157,810.77-34,125.77

Finding the Fourth Proportional to 105,205.07, 157,810.77 and 34,125.77

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Solution

The fourth proportional to 105,205.07, 157,810.77 and 34,125.77 is: 51,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,205.07 : 157,810.77 = 34,125.77 : x
  2. Step 2: Convert to fraction form
    105,205.07/157,810.77 = 34,125.77/x
  3. Step 3: Cross multiply
    105,205.07x = 157,810.77 × 34,125.77
  4. Step 4: Simplify right side
    105,205.07x = 5,385,413,251.49
  5. Step 5: Solve for x
    x = 5,385,413,251.49/105,205.07
  6. Step 6: Final answer
    x = 51,189.68

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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.