Home / 109,536.81-164,332.55-30,650.35

Finding the Fourth Proportional to 109,536.81, 164,332.55 and 30,650.35

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Solution

The fourth proportional to 109,536.81, 164,332.55 and 30,650.35 is: 45,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,536.81 : 164,332.55 = 30,650.35 : x
  2. Step 2: Convert to fraction form
    109,536.81/164,332.55 = 30,650.35/x
  3. Step 3: Cross multiply
    109,536.81x = 164,332.55 × 30,650.35
  4. Step 4: Simplify right side
    109,536.81x = 5,036,849,975.40
  5. Step 5: Solve for x
    x = 5,036,849,975.40/109,536.81
  6. Step 6: Final answer
    x = 45,983.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.