Home / 126,228.59-174,178.19-72,513.59

Finding the Fourth Proportional to 126,228.59, 174,178.19 and 72,513.59

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Solution

The fourth proportional to 126,228.59, 174,178.19 and 72,513.59 is: 100,058.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,228.59 : 174,178.19 = 72,513.59 : x
  2. Step 2: Convert to fraction form
    126,228.59/174,178.19 = 72,513.59/x
  3. Step 3: Cross multiply
    126,228.59x = 174,178.19 × 72,513.59
  4. Step 4: Simplify right side
    126,228.59x = 12,630,285,881.82
  5. Step 5: Solve for x
    x = 12,630,285,881.82/126,228.59
  6. Step 6: Final answer
    x = 100,058.84

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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.