Home / 97,218.75-145,828.13-31,554.75

Finding the Fourth Proportional to 97,218.75, 145,828.13 and 31,554.75

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Solution

The fourth proportional to 97,218.75, 145,828.13 and 31,554.75 is: 47,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,218.75 : 145,828.13 = 31,554.75 : x
  2. Step 2: Convert to fraction form
    97,218.75/145,828.13 = 31,554.75/x
  3. Step 3: Cross multiply
    97,218.75x = 145,828.13 × 31,554.75
  4. Step 4: Simplify right side
    97,218.75x = 4,601,570,027.34
  5. Step 5: Solve for x
    x = 4,601,570,027.34/97,218.75
  6. Step 6: Final answer
    x = 47,332.13

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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.