Home / 126,637.79-174,769.62-72,191.25

Finding the Fourth Proportional to 126,637.79, 174,769.62 and 72,191.25

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Solution

The fourth proportional to 126,637.79, 174,769.62 and 72,191.25 is: 99,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,637.79 : 174,769.62 = 72,191.25 : x
  2. Step 2: Convert to fraction form
    126,637.79/174,769.62 = 72,191.25/x
  3. Step 3: Cross multiply
    126,637.79x = 174,769.62 × 72,191.25
  4. Step 4: Simplify right side
    126,637.79x = 12,616,837,329.83
  5. Step 5: Solve for x
    x = 12,616,837,329.83/126,637.79
  6. Step 6: Final answer
    x = 99,629.33

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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.