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Finding the Fourth Proportional to 158,047.71, 237,036.06 and 45,702.87

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Solution

The fourth proportional to 158,047.71, 237,036.06 and 45,702.87 is: 68,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,047.71 : 237,036.06 = 45,702.87 : x
  2. Step 2: Convert to fraction form
    158,047.71/237,036.06 = 45,702.87/x
  3. Step 3: Cross multiply
    158,047.71x = 237,036.06 × 45,702.87
  4. Step 4: Simplify right side
    158,047.71x = 10,833,228,235.49
  5. Step 5: Solve for x
    x = 10,833,228,235.49/158,047.71
  6. Step 6: Final answer
    x = 68,544.04

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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.