Home / 104,949.81-144,886.19-84,308.18

Finding the Fourth Proportional to 104,949.81, 144,886.19 and 84,308.18

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Solution

The fourth proportional to 104,949.81, 144,886.19 and 84,308.18 is: 116,389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,949.81 : 144,886.19 = 84,308.18 : x
  2. Step 2: Convert to fraction form
    104,949.81/144,886.19 = 84,308.18/x
  3. Step 3: Cross multiply
    104,949.81x = 144,886.19 × 84,308.18
  4. Step 4: Simplify right side
    104,949.81x = 12,215,089,840.06
  5. Step 5: Solve for x
    x = 12,215,089,840.06/104,949.81
  6. Step 6: Final answer
    x = 116,389.82

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1.5x scale

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.