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Finding the Fourth Proportional to 152,242.00, 210,091.05 and 84,259.00

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Solution

The fourth proportional to 152,242.00, 210,091.05 and 84,259.00 is: 116,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,242.00 : 210,091.05 = 84,259.00 : x
  2. Step 2: Convert to fraction form
    152,242.00/210,091.05 = 84,259.00/x
  3. Step 3: Cross multiply
    152,242.00x = 210,091.05 × 84,259.00
  4. Step 4: Simplify right side
    152,242.00x = 17,702,062,044.56
  5. Step 5: Solve for x
    x = 17,702,062,044.56/152,242.00
  6. Step 6: Final answer
    x = 116,275.81

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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.