Home / 109,211.14-163,856.76-46,047.16

Finding the Fourth Proportional to 109,211.14, 163,856.76 and 46,047.16

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Solution

The fourth proportional to 109,211.14, 163,856.76 and 46,047.16 is: 69,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,211.14 : 163,856.76 = 46,047.16 : x
  2. Step 2: Convert to fraction form
    109,211.14/163,856.76 = 46,047.16/x
  3. Step 3: Cross multiply
    109,211.14x = 163,856.76 × 46,047.16
  4. Step 4: Simplify right side
    109,211.14x = 7,545,138,444.80
  5. Step 5: Solve for x
    x = 7,545,138,444.80/109,211.14
  6. Step 6: Final answer
    x = 69,087.63

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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.