Home / 105,383.64-145,433.46-60,068.76

Finding the Fourth Proportional to 105,383.64, 145,433.46 and 60,068.76

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Solution

The fourth proportional to 105,383.64, 145,433.46 and 60,068.76 is: 82,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,383.64 : 145,433.46 = 60,068.76 : x
  2. Step 2: Convert to fraction form
    105,383.64/145,433.46 = 60,068.76/x
  3. Step 3: Cross multiply
    105,383.64x = 145,433.46 × 60,068.76
  4. Step 4: Simplify right side
    105,383.64x = 8,736,007,604.71
  5. Step 5: Solve for x
    x = 8,736,007,604.71/105,383.64
  6. Step 6: Final answer
    x = 82,897.19

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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.