Home / 103,552.83-155,329.65-31,506.45

Finding the Fourth Proportional to 103,552.83, 155,329.65 and 31,506.45

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Solution

The fourth proportional to 103,552.83, 155,329.65 and 31,506.45 is: 47,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,552.83 : 155,329.65 = 31,506.45 : x
  2. Step 2: Convert to fraction form
    103,552.83/155,329.65 = 31,506.45/x
  3. Step 3: Cross multiply
    103,552.83x = 155,329.65 × 31,506.45
  4. Step 4: Simplify right side
    103,552.83x = 4,893,886,142.49
  5. Step 5: Solve for x
    x = 4,893,886,142.49/103,552.83
  6. Step 6: Final answer
    x = 47,259.80

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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.