Home / 152,766.32-210,817.19-84,784.10

Finding the Fourth Proportional to 152,766.32, 210,817.19 and 84,784.10

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Solution

The fourth proportional to 152,766.32, 210,817.19 and 84,784.10 is: 117,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,766.32 : 210,817.19 = 84,784.10 : x
  2. Step 2: Convert to fraction form
    152,766.32/210,817.19 = 84,784.10/x
  3. Step 3: Cross multiply
    152,766.32x = 210,817.19 × 84,784.10
  4. Step 4: Simplify right side
    152,766.32x = 17,873,944,240.67
  5. Step 5: Solve for x
    x = 17,873,944,240.67/152,766.32
  6. Step 6: Final answer
    x = 117,001.87

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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.