Home / 141,070.65-211,638.18-61,121.89

Finding the Fourth Proportional to 141,070.65, 211,638.18 and 61,121.89

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Solution

The fourth proportional to 141,070.65, 211,638.18 and 61,121.89 is: 91,696.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,070.65 : 211,638.18 = 61,121.89 : x
  2. Step 2: Convert to fraction form
    141,070.65/211,638.18 = 61,121.89/x
  3. Step 3: Cross multiply
    141,070.65x = 211,638.18 × 61,121.89
  4. Step 4: Simplify right side
    141,070.65x = 12,935,726,051.52
  5. Step 5: Solve for x
    x = 12,935,726,051.52/141,070.65
  6. Step 6: Final answer
    x = 91,696.79

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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.