Home / 158,056.87-218,118.70-89,147.23

Finding the Fourth Proportional to 158,056.87, 218,118.70 and 89,147.23

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Solution

The fourth proportional to 158,056.87, 218,118.70 and 89,147.23 is: 123,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,056.87 : 218,118.70 = 89,147.23 : x
  2. Step 2: Convert to fraction form
    158,056.87/218,118.70 = 89,147.23/x
  3. Step 3: Cross multiply
    158,056.87x = 218,118.70 × 89,147.23
  4. Step 4: Simplify right side
    158,056.87x = 19,444,678,458.53
  5. Step 5: Solve for x
    x = 19,444,678,458.53/158,056.87
  6. Step 6: Final answer
    x = 123,023.31

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1.5x scale

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.