Home / 158,492.16-236,321.28-154,137.60

Finding the Fourth Proportional to 158,492.16, 236,321.28 and 154,137.60

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Solution

The fourth proportional to 158,492.16, 236,321.28 and 154,137.60 is: 229,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,492.16 : 236,321.28 = 154,137.60 : x
  2. Step 2: Convert to fraction form
    158,492.16/236,321.28 = 154,137.60/x
  3. Step 3: Cross multiply
    158,492.16x = 236,321.28 × 154,137.60
  4. Step 4: Simplify right side
    158,492.16x = 36,425,994,928.13
  5. Step 5: Solve for x
    x = 36,425,994,928.13/158,492.16
  6. Step 6: Final answer
    x = 229,828.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.