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Finding the Fourth Proportional to 153,094, 211,289.52 and 86,026

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Solution

The fourth proportional to 153,094, 211,289.52 and 86,026 is: 118,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,094 : 211,289.52 = 86,026 : x
  2. Step 2: Convert to fraction form
    153,094/211,289.52 = 86,026/x
  3. Step 3: Cross multiply
    153,094x = 211,289.52 × 86,026
  4. Step 4: Simplify right side
    153,094x = 18,176,392,247.52
  5. Step 5: Solve for x
    x = 18,176,392,247.52/153,094
  6. Step 6: Final answer
    x = 118,727.01

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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.