Home / 154,048.80-212,473.62-97,405.50

Finding the Fourth Proportional to 154,048.80, 212,473.62 and 97,405.50

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Solution

The fourth proportional to 154,048.80, 212,473.62 and 97,405.50 is: 134,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,048.80 : 212,473.62 = 97,405.50 : x
  2. Step 2: Convert to fraction form
    154,048.80/212,473.62 = 97,405.50/x
  3. Step 3: Cross multiply
    154,048.80x = 212,473.62 × 97,405.50
  4. Step 4: Simplify right side
    154,048.80x = 20,696,099,192.91
  5. Step 5: Solve for x
    x = 20,696,099,192.91/154,048.80
  6. Step 6: Final answer
    x = 134,347.68

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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.