Home / 180,723.67-249,405.11-109,089.70

Finding the Fourth Proportional to 180,723.67, 249,405.11 and 109,089.70

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Solution

The fourth proportional to 180,723.67, 249,405.11 and 109,089.70 is: 150,547.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,723.67 : 249,405.11 = 109,089.70 : x
  2. Step 2: Convert to fraction form
    180,723.67/249,405.11 = 109,089.70/x
  3. Step 3: Cross multiply
    180,723.67x = 249,405.11 × 109,089.70
  4. Step 4: Simplify right side
    180,723.67x = 27,207,528,628.37
  5. Step 5: Solve for x
    x = 27,207,528,628.37/180,723.67
  6. Step 6: Final answer
    x = 150,547.68

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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.