Home / 105,113.29-157,576.20-38,537.91

Finding the Fourth Proportional to 105,113.29, 157,576.20 and 38,537.91

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Solution

The fourth proportional to 105,113.29, 157,576.20 and 38,537.91 is: 57,772.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,113.29 : 157,576.20 = 38,537.91 : x
  2. Step 2: Convert to fraction form
    105,113.29/157,576.20 = 38,537.91/x
  3. Step 3: Cross multiply
    105,113.29x = 157,576.20 × 38,537.91
  4. Step 4: Simplify right side
    105,113.29x = 6,072,657,413.74
  5. Step 5: Solve for x
    x = 6,072,657,413.74/105,113.29
  6. Step 6: Final answer
    x = 57,772.50

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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.