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Finding the Fourth Proportional to 152,195.39, 210,011.65 and 84,203.39

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Solution

The fourth proportional to 152,195.39, 210,011.65 and 84,203.39 is: 116,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,195.39 : 210,011.65 = 84,203.39 : x
  2. Step 2: Convert to fraction form
    152,195.39/210,011.65 = 84,203.39/x
  3. Step 3: Cross multiply
    152,195.39x = 210,011.65 × 84,203.39
  4. Step 4: Simplify right side
    152,195.39x = 17,683,691,608.93
  5. Step 5: Solve for x
    x = 17,683,691,608.93/152,195.39
  6. Step 6: Final answer
    x = 116,190.72

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1.5x scale

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.