Home / 105,230.16-145,191.60-67,555.44

Finding the Fourth Proportional to 105,230.16, 145,191.60 and 67,555.44

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Solution

The fourth proportional to 105,230.16, 145,191.60 and 67,555.44 is: 93,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,230.16 : 145,191.60 = 67,555.44 : x
  2. Step 2: Convert to fraction form
    105,230.16/145,191.60 = 67,555.44/x
  3. Step 3: Cross multiply
    105,230.16x = 145,191.60 × 67,555.44
  4. Step 4: Simplify right side
    105,230.16x = 9,808,482,422.30
  5. Step 5: Solve for x
    x = 9,808,482,422.30/105,230.16
  6. Step 6: Final answer
    x = 93,209.80

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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.