Home / 109,123.89-150,590.39-61,376.22

Finding the Fourth Proportional to 109,123.89, 150,590.39 and 61,376.22

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Solution

The fourth proportional to 109,123.89, 150,590.39 and 61,376.22 is: 84,698.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,123.89 : 150,590.39 = 61,376.22 : x
  2. Step 2: Convert to fraction form
    109,123.89/150,590.39 = 61,376.22/x
  3. Step 3: Cross multiply
    109,123.89x = 150,590.39 × 61,376.22
  4. Step 4: Simplify right side
    109,123.89x = 9,242,668,599.64
  5. Step 5: Solve for x
    x = 9,242,668,599.64/109,123.89
  6. Step 6: Final answer
    x = 84,698.86

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1.5x scale

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.