Home / 103,439.25-142,746.30-58,727.25

Finding the Fourth Proportional to 103,439.25, 142,746.30 and 58,727.25

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Solution

The fourth proportional to 103,439.25, 142,746.30 and 58,727.25 is: 81,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,439.25 : 142,746.30 = 58,727.25 : x
  2. Step 2: Convert to fraction form
    103,439.25/142,746.30 = 58,727.25/x
  3. Step 3: Cross multiply
    103,439.25x = 142,746.30 × 58,727.25
  4. Step 4: Simplify right side
    103,439.25x = 8,383,097,646.68
  5. Step 5: Solve for x
    x = 8,383,097,646.68/103,439.25
  6. Step 6: Final answer
    x = 81,043.68

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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.