Home / 180,517.77-249,136.16-105,066.27

Finding the Fourth Proportional to 180,517.77, 249,136.16 and 105,066.27

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Solution

The fourth proportional to 180,517.77, 249,136.16 and 105,066.27 is: 145,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,517.77 : 249,136.16 = 105,066.27 : x
  2. Step 2: Convert to fraction form
    180,517.77/249,136.16 = 105,066.27/x
  3. Step 3: Cross multiply
    180,517.77x = 249,136.16 × 105,066.27
  4. Step 4: Simplify right side
    180,517.77x = 26,175,806,527.99
  5. Step 5: Solve for x
    x = 26,175,806,527.99/180,517.77
  6. Step 6: Final answer
    x = 145,004.04

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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.