Home / 152,546.48-210,504.12-85,465.52

Finding the Fourth Proportional to 152,546.48, 210,504.12 and 85,465.52

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Solution

The fourth proportional to 152,546.48, 210,504.12 and 85,465.52 is: 117,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,546.48 : 210,504.12 = 85,465.52 : x
  2. Step 2: Convert to fraction form
    152,546.48/210,504.12 = 85,465.52/x
  3. Step 3: Cross multiply
    152,546.48x = 210,504.12 × 85,465.52
  4. Step 4: Simplify right side
    152,546.48x = 17,990,844,077.94
  5. Step 5: Solve for x
    x = 17,990,844,077.94/152,546.48
  6. Step 6: Final answer
    x = 117,936.80

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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.