Home / 105,089.85-145,023.99-67,364.10

Finding the Fourth Proportional to 105,089.85, 145,023.99 and 67,364.10

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Solution

The fourth proportional to 105,089.85, 145,023.99 and 67,364.10 is: 92,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,089.85 : 145,023.99 = 67,364.10 : x
  2. Step 2: Convert to fraction form
    105,089.85/145,023.99 = 67,364.10/x
  3. Step 3: Cross multiply
    105,089.85x = 145,023.99 × 67,364.10
  4. Step 4: Simplify right side
    105,089.85x = 9,769,410,564.76
  5. Step 5: Solve for x
    x = 9,769,410,564.76/105,089.85
  6. Step 6: Final answer
    x = 92,962.46

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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.