Home / 150,590.25-207,810.81-86,055.39

Finding the Fourth Proportional to 150,590.25, 207,810.81 and 86,055.39

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Solution

The fourth proportional to 150,590.25, 207,810.81 and 86,055.39 is: 118,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,590.25 : 207,810.81 = 86,055.39 : x
  2. Step 2: Convert to fraction form
    150,590.25/207,810.81 = 86,055.39/x
  3. Step 3: Cross multiply
    150,590.25x = 207,810.81 × 86,055.39
  4. Step 4: Simplify right side
    150,590.25x = 17,883,240,300.77
  5. Step 5: Solve for x
    x = 17,883,240,300.77/150,590.25
  6. Step 6: Final answer
    x = 118,754.30

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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.