Home / 163,215.66-225,238.93-91,612.57

Finding the Fourth Proportional to 163,215.66, 225,238.93 and 91,612.57

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Solution

The fourth proportional to 163,215.66, 225,238.93 and 91,612.57 is: 126,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,215.66 : 225,238.93 = 91,612.57 : x
  2. Step 2: Convert to fraction form
    163,215.66/225,238.93 = 91,612.57/x
  3. Step 3: Cross multiply
    163,215.66x = 225,238.93 × 91,612.57
  4. Step 4: Simplify right side
    163,215.66x = 20,634,716,783.29
  5. Step 5: Solve for x
    x = 20,634,716,783.29/163,215.66
  6. Step 6: Final answer
    x = 126,426.08

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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.