Home / 213,139.08-319,768.61-93,206.57

Finding the Fourth Proportional to 213,139.08, 319,768.61 and 93,206.57

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Solution

The fourth proportional to 213,139.08, 319,768.61 and 93,206.57 is: 139,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,139.08 : 319,768.61 = 93,206.57 : x
  2. Step 2: Convert to fraction form
    213,139.08/319,768.61 = 93,206.57/x
  3. Step 3: Cross multiply
    213,139.08x = 319,768.61 × 93,206.57
  4. Step 4: Simplify right side
    213,139.08x = 29,804,533,266.89
  5. Step 5: Solve for x
    x = 29,804,533,266.89/213,139.08
  6. Step 6: Final answer
    x = 139,836.08

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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.