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Finding the Fourth Proportional to 183,592.64, 253,337.28 and 103,003.40

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Solution

The fourth proportional to 183,592.64, 253,337.28 and 103,003.40 is: 142,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,592.64 : 253,337.28 = 103,003.40 : x
  2. Step 2: Convert to fraction form
    183,592.64/253,337.28 = 103,003.40/x
  3. Step 3: Cross multiply
    183,592.64x = 253,337.28 × 103,003.40
  4. Step 4: Simplify right side
    183,592.64x = 26,094,601,186.75
  5. Step 5: Solve for x
    x = 26,094,601,186.75/183,592.64
  6. Step 6: Final answer
    x = 142,133.16

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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.