Home / 180,857.58-249,635.43-109,225.50

Finding the Fourth Proportional to 180,857.58, 249,635.43 and 109,225.50

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Solution

The fourth proportional to 180,857.58, 249,635.43 and 109,225.50 is: 150,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,857.58 : 249,635.43 = 109,225.50 : x
  2. Step 2: Convert to fraction form
    180,857.58/249,635.43 = 109,225.50/x
  3. Step 3: Cross multiply
    180,857.58x = 249,635.43 × 109,225.50
  4. Step 4: Simplify right side
    180,857.58x = 27,266,554,659.47
  5. Step 5: Solve for x
    x = 27,266,554,659.47/180,857.58
  6. Step 6: Final answer
    x = 150,762.58

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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.