Home / 158,028.42-218,061.36-93,499.64

Finding the Fourth Proportional to 158,028.42, 218,061.36 and 93,499.64

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Solution

The fourth proportional to 158,028.42, 218,061.36 and 93,499.64 is: 129,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,028.42 : 218,061.36 = 93,499.64 : x
  2. Step 2: Convert to fraction form
    158,028.42/218,061.36 = 93,499.64/x
  3. Step 3: Cross multiply
    158,028.42x = 218,061.36 × 93,499.64
  4. Step 4: Simplify right side
    158,028.42x = 20,388,657,567.60
  5. Step 5: Solve for x
    x = 20,388,657,567.60/158,028.42
  6. Step 6: Final answer
    x = 129,018.93

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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.