Home / 152,849.90-210,946.20-84,880.10

Finding the Fourth Proportional to 152,849.90, 210,946.20 and 84,880.10

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Solution

The fourth proportional to 152,849.90, 210,946.20 and 84,880.10 is: 117,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,849.90 : 210,946.20 = 84,880.10 : x
  2. Step 2: Convert to fraction form
    152,849.90/210,946.20 = 84,880.10/x
  3. Step 3: Cross multiply
    152,849.90x = 210,946.20 × 84,880.10
  4. Step 4: Simplify right side
    152,849.90x = 17,905,134,550.62
  5. Step 5: Solve for x
    x = 17,905,134,550.62/152,849.90
  6. Step 6: Final answer
    x = 117,141.94

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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.