Home / 155,034.90-213,890.76-97,658.82

Finding the Fourth Proportional to 155,034.90, 213,890.76 and 97,658.82

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Solution

The fourth proportional to 155,034.90, 213,890.76 and 97,658.82 is: 134,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,034.90 : 213,890.76 = 97,658.82 : x
  2. Step 2: Convert to fraction form
    155,034.90/213,890.76 = 97,658.82/x
  3. Step 3: Cross multiply
    155,034.90x = 213,890.76 × 97,658.82
  4. Step 4: Simplify right side
    155,034.90x = 20,888,319,230.50
  5. Step 5: Solve for x
    x = 20,888,319,230.50/155,034.90
  6. Step 6: Final answer
    x = 134,733.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.