Home / 109,074.04-150,460.70-65,455.30

Finding the Fourth Proportional to 109,074.04, 150,460.70 and 65,455.30

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Solution

The fourth proportional to 109,074.04, 150,460.70 and 65,455.30 is: 90,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,074.04 : 150,460.70 = 65,455.30 : x
  2. Step 2: Convert to fraction form
    109,074.04/150,460.70 = 65,455.30/x
  3. Step 3: Cross multiply
    109,074.04x = 150,460.70 × 65,455.30
  4. Step 4: Simplify right side
    109,074.04x = 9,848,450,256.71
  5. Step 5: Solve for x
    x = 9,848,450,256.71/109,074.04
  6. Step 6: Final answer
    x = 90,291.42

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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.