Home / 136,935.02-205,451.75-120,499.72

Finding the Fourth Proportional to 136,935.02, 205,451.75 and 120,499.72

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Solution

The fourth proportional to 136,935.02, 205,451.75 and 120,499.72 is: 180,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,935.02 : 205,451.75 = 120,499.72 : x
  2. Step 2: Convert to fraction form
    136,935.02/205,451.75 = 120,499.72/x
  3. Step 3: Cross multiply
    136,935.02x = 205,451.75 × 120,499.72
  4. Step 4: Simplify right side
    136,935.02x = 24,756,878,136.13
  5. Step 5: Solve for x
    x = 24,756,878,136.13/136,935.02
  6. Step 6: Final answer
    x = 180,792.89

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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.