Home / 136,045.68-204,070.57-51,810.50

Finding the Fourth Proportional to 136,045.68, 204,070.57 and 51,810.50

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Solution

The fourth proportional to 136,045.68, 204,070.57 and 51,810.50 is: 77,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,045.68 : 204,070.57 = 51,810.50 : x
  2. Step 2: Convert to fraction form
    136,045.68/204,070.57 = 51,810.50/x
  3. Step 3: Cross multiply
    136,045.68x = 204,070.57 × 51,810.50
  4. Step 4: Simplify right side
    136,045.68x = 10,572,998,266.99
  5. Step 5: Solve for x
    x = 10,572,998,266.99/136,045.68
  6. Step 6: Final answer
    x = 77,716.53

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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.