Home / 108,623.75-149,900.42-63,328.55

Finding the Fourth Proportional to 108,623.75, 149,900.42 and 63,328.55

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Solution

The fourth proportional to 108,623.75, 149,900.42 and 63,328.55 is: 87,393.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,623.75 : 149,900.42 = 63,328.55 : x
  2. Step 2: Convert to fraction form
    108,623.75/149,900.42 = 63,328.55/x
  3. Step 3: Cross multiply
    108,623.75x = 149,900.42 × 63,328.55
  4. Step 4: Simplify right side
    108,623.75x = 9,492,975,651.81
  5. Step 5: Solve for x
    x = 9,492,975,651.81/108,623.75
  6. Step 6: Final answer
    x = 87,393.19

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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.