Home / 109,209.91-150,714.53-61,466.35

Finding the Fourth Proportional to 109,209.91, 150,714.53 and 61,466.35

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Solution

The fourth proportional to 109,209.91, 150,714.53 and 61,466.35 is: 84,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,209.91 : 150,714.53 = 61,466.35 : x
  2. Step 2: Convert to fraction form
    109,209.91/150,714.53 = 61,466.35/x
  3. Step 3: Cross multiply
    109,209.91x = 150,714.53 × 61,466.35
  4. Step 4: Simplify right side
    109,209.91x = 9,263,872,051.07
  5. Step 5: Solve for x
    x = 9,263,872,051.07/109,209.91
  6. Step 6: Final answer
    x = 84,826.30

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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.