Home / 102,040.85-153,027.24-42,865.49

Finding the Fourth Proportional to 102,040.85, 153,027.24 and 42,865.49

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Solution

The fourth proportional to 102,040.85, 153,027.24 and 42,865.49 is: 64,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,040.85 : 153,027.24 = 42,865.49 : x
  2. Step 2: Convert to fraction form
    102,040.85/153,027.24 = 42,865.49/x
  3. Step 3: Cross multiply
    102,040.85x = 153,027.24 × 42,865.49
  4. Step 4: Simplify right side
    102,040.85x = 6,559,586,860.81
  5. Step 5: Solve for x
    x = 6,559,586,860.81/102,040.85
  6. Step 6: Final answer
    x = 64,283.93

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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.