Home / 114,430.10-171,839.55-84,881.30

Finding the Fourth Proportional to 114,430.10, 171,839.55 and 84,881.30

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Solution

The fourth proportional to 114,430.10, 171,839.55 and 84,881.30 is: 127,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,430.10 : 171,839.55 = 84,881.30 : x
  2. Step 2: Convert to fraction form
    114,430.10/171,839.55 = 84,881.30/x
  3. Step 3: Cross multiply
    114,430.10x = 171,839.55 × 84,881.30
  4. Step 4: Simplify right side
    114,430.10x = 14,585,964,395.42
  5. Step 5: Solve for x
    x = 14,585,964,395.42/114,430.10
  6. Step 6: Final answer
    x = 127,466.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.