Home / 105,347.13-145,381.67-63,954.62

Finding the Fourth Proportional to 105,347.13, 145,381.67 and 63,954.62

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Solution

The fourth proportional to 105,347.13, 145,381.67 and 63,954.62 is: 88,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,347.13 : 145,381.67 = 63,954.62 : x
  2. Step 2: Convert to fraction form
    105,347.13/145,381.67 = 63,954.62/x
  3. Step 3: Cross multiply
    105,347.13x = 145,381.67 × 63,954.62
  4. Step 4: Simplify right side
    105,347.13x = 9,297,828,776.59
  5. Step 5: Solve for x
    x = 9,297,828,776.59/105,347.13
  6. Step 6: Final answer
    x = 88,258.97

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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.