Home / 158,184.37-218,287.42-86,567.41

Finding the Fourth Proportional to 158,184.37, 218,287.42 and 86,567.41

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Solution

The fourth proportional to 158,184.37, 218,287.42 and 86,567.41 is: 119,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,184.37 : 218,287.42 = 86,567.41 : x
  2. Step 2: Convert to fraction form
    158,184.37/218,287.42 = 86,567.41/x
  3. Step 3: Cross multiply
    158,184.37x = 218,287.42 × 86,567.41
  4. Step 4: Simplify right side
    158,184.37x = 18,896,575,822.85
  5. Step 5: Solve for x
    x = 18,896,575,822.85/158,184.37
  6. Step 6: Final answer
    x = 119,459.19

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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.