Home / 105,125.24-145,027.32-64,291.16

Finding the Fourth Proportional to 105,125.24, 145,027.32 and 64,291.16

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Solution

The fourth proportional to 105,125.24, 145,027.32 and 64,291.16 is: 88,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,125.24 : 145,027.32 = 64,291.16 : x
  2. Step 2: Convert to fraction form
    105,125.24/145,027.32 = 64,291.16/x
  3. Step 3: Cross multiply
    105,125.24x = 145,027.32 × 64,291.16
  4. Step 4: Simplify right side
    105,125.24x = 9,323,974,634.49
  5. Step 5: Solve for x
    x = 9,323,974,634.49/105,125.24
  6. Step 6: Final answer
    x = 88,693.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.