Home / 105,738.60-145,881.42-60,383.88

Finding the Fourth Proportional to 105,738.60, 145,881.42 and 60,383.88

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Solution

The fourth proportional to 105,738.60, 145,881.42 and 60,383.88 is: 83,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,738.60 : 145,881.42 = 60,383.88 : x
  2. Step 2: Convert to fraction form
    105,738.60/145,881.42 = 60,383.88/x
  3. Step 3: Cross multiply
    105,738.60x = 145,881.42 × 60,383.88
  4. Step 4: Simplify right side
    105,738.60x = 8,808,886,159.51
  5. Step 5: Solve for x
    x = 8,808,886,159.51/105,738.60
  6. Step 6: Final answer
    x = 83,308.14

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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.