Home / 158,389.40-218,577.36-94,727.20

Finding the Fourth Proportional to 158,389.40, 218,577.36 and 94,727.20

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Solution

The fourth proportional to 158,389.40, 218,577.36 and 94,727.20 is: 130,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,389.40 : 218,577.36 = 94,727.20 : x
  2. Step 2: Convert to fraction form
    158,389.40/218,577.36 = 94,727.20/x
  3. Step 3: Cross multiply
    158,389.40x = 218,577.36 × 94,727.20
  4. Step 4: Simplify right side
    158,389.40x = 20,705,220,203.31
  5. Step 5: Solve for x
    x = 20,705,220,203.31/158,389.40
  6. Step 6: Final answer
    x = 130,723.52

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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.