Home / 163,293.22-225,332.18-91,659.40

Finding the Fourth Proportional to 163,293.22, 225,332.18 and 91,659.40

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Solution

The fourth proportional to 163,293.22, 225,332.18 and 91,659.40 is: 126,482.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,293.22 : 225,332.18 = 91,659.40 : x
  2. Step 2: Convert to fraction form
    163,293.22/225,332.18 = 91,659.40/x
  3. Step 3: Cross multiply
    163,293.22x = 225,332.18 × 91,659.40
  4. Step 4: Simplify right side
    163,293.22x = 20,653,812,419.49
  5. Step 5: Solve for x
    x = 20,653,812,419.49/163,293.22
  6. Step 6: Final answer
    x = 126,482.98

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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.