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Finding the Fourth Proportional to 154,624.95, 213,485.22 and 118,750.86

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Solution

The fourth proportional to 154,624.95, 213,485.22 and 118,750.86 is: 163,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,624.95 : 213,485.22 = 118,750.86 : x
  2. Step 2: Convert to fraction form
    154,624.95/213,485.22 = 118,750.86/x
  3. Step 3: Cross multiply
    154,624.95x = 213,485.22 × 118,750.86
  4. Step 4: Simplify right side
    154,624.95x = 25,351,553,472.29
  5. Step 5: Solve for x
    x = 25,351,553,472.29/154,624.95
  6. Step 6: Final answer
    x = 163,955.13

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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.