Home / 105,444.79-145,513.81-57,698.14

Finding the Fourth Proportional to 105,444.79, 145,513.81 and 57,698.14

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Solution

The fourth proportional to 105,444.79, 145,513.81 and 57,698.14 is: 79,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,444.79 : 145,513.81 = 57,698.14 : x
  2. Step 2: Convert to fraction form
    105,444.79/145,513.81 = 57,698.14/x
  3. Step 3: Cross multiply
    105,444.79x = 145,513.81 × 57,698.14
  4. Step 4: Simplify right side
    105,444.79x = 8,395,876,181.31
  5. Step 5: Solve for x
    x = 8,395,876,181.31/105,444.79
  6. Step 6: Final answer
    x = 79,623.43

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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.