Home / 103,495.38-155,193.93-47,318.82

Finding the Fourth Proportional to 103,495.38, 155,193.93 and 47,318.82

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Solution

The fourth proportional to 103,495.38, 155,193.93 and 47,318.82 is: 70,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,495.38 : 155,193.93 = 47,318.82 : x
  2. Step 2: Convert to fraction form
    103,495.38/155,193.93 = 47,318.82/x
  3. Step 3: Cross multiply
    103,495.38x = 155,193.93 × 47,318.82
  4. Step 4: Simplify right side
    103,495.38x = 7,343,593,638.76
  5. Step 5: Solve for x
    x = 7,343,593,638.76/103,495.38
  6. Step 6: Final answer
    x = 70,955.76

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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.