Home / 136,788.47-205,254.94-97,064.12

Finding the Fourth Proportional to 136,788.47, 205,254.94 and 97,064.12

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Solution

The fourth proportional to 136,788.47, 205,254.94 and 97,064.12 is: 145,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,788.47 : 205,254.94 = 97,064.12 : x
  2. Step 2: Convert to fraction form
    136,788.47/205,254.94 = 97,064.12/x
  3. Step 3: Cross multiply
    136,788.47x = 205,254.94 × 97,064.12
  4. Step 4: Simplify right side
    136,788.47x = 19,922,890,306.23
  5. Step 5: Solve for x
    x = 19,922,890,306.23/136,788.47
  6. Step 6: Final answer
    x = 145,647.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.