Home / 180,389.70-249,014.46-112,440.54

Finding the Fourth Proportional to 180,389.70, 249,014.46 and 112,440.54

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Solution

The fourth proportional to 180,389.70, 249,014.46 and 112,440.54 is: 155,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,389.70 : 249,014.46 = 112,440.54 : x
  2. Step 2: Convert to fraction form
    180,389.70/249,014.46 = 112,440.54/x
  3. Step 3: Cross multiply
    180,389.70x = 249,014.46 × 112,440.54
  4. Step 4: Simplify right side
    180,389.70x = 27,999,320,350.21
  5. Step 5: Solve for x
    x = 27,999,320,350.21/180,389.70
  6. Step 6: Final answer
    x = 155,215.74

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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.