Home / 136,270.02-188,050.75-75,840.65

Finding the Fourth Proportional to 136,270.02, 188,050.75 and 75,840.65

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Solution

The fourth proportional to 136,270.02, 188,050.75 and 75,840.65 is: 104,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270.02 : 188,050.75 = 75,840.65 : x
  2. Step 2: Convert to fraction form
    136,270.02/188,050.75 = 75,840.65/x
  3. Step 3: Cross multiply
    136,270.02x = 188,050.75 × 75,840.65
  4. Step 4: Simplify right side
    136,270.02x = 14,261,891,393.51
  5. Step 5: Solve for x
    x = 14,261,891,393.51/136,270.02
  6. Step 6: Final answer
    x = 104,659.05

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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.