Home / 152,662.08-210,630.60-98,949.36

Finding the Fourth Proportional to 152,662.08, 210,630.60 and 98,949.36

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Solution

The fourth proportional to 152,662.08, 210,630.60 and 98,949.36 is: 136,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,662.08 : 210,630.60 = 98,949.36 : x
  2. Step 2: Convert to fraction form
    152,662.08/210,630.60 = 98,949.36/x
  3. Step 3: Cross multiply
    152,662.08x = 210,630.60 × 98,949.36
  4. Step 4: Simplify right side
    152,662.08x = 20,841,763,066.42
  5. Step 5: Solve for x
    x = 20,841,763,066.42/152,662.08
  6. Step 6: Final answer
    x = 136,522.20

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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.