Home / 122,042.25-183,343.41-86,590.98

Finding the Fourth Proportional to 122,042.25, 183,343.41 and 86,590.98

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Solution

The fourth proportional to 122,042.25, 183,343.41 and 86,590.98 is: 130,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,042.25 : 183,343.41 = 86,590.98 : x
  2. Step 2: Convert to fraction form
    122,042.25/183,343.41 = 86,590.98/x
  3. Step 3: Cross multiply
    122,042.25x = 183,343.41 × 86,590.98
  4. Step 4: Simplify right side
    122,042.25x = 15,875,885,548.44
  5. Step 5: Solve for x
    x = 15,875,885,548.44/122,042.25
  6. Step 6: Final answer
    x = 130,085.16

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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.