Home / 136,030.76-204,013.74-57,146.52

Finding the Fourth Proportional to 136,030.76, 204,013.74 and 57,146.52

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Solution

The fourth proportional to 136,030.76, 204,013.74 and 57,146.52 is: 85,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,030.76 : 204,013.74 = 57,146.52 : x
  2. Step 2: Convert to fraction form
    136,030.76/204,013.74 = 57,146.52/x
  3. Step 3: Cross multiply
    136,030.76x = 204,013.74 × 57,146.52
  4. Step 4: Simplify right side
    136,030.76x = 11,658,675,273.18
  5. Step 5: Solve for x
    x = 11,658,675,273.18/136,030.76
  6. Step 6: Final answer
    x = 85,706.17

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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.