Home / 180,661.10-249,211.87-142,279.25

Finding the Fourth Proportional to 180,661.10, 249,211.87 and 142,279.25

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Solution

The fourth proportional to 180,661.10, 249,211.87 and 142,279.25 is: 196,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,661.10 : 249,211.87 = 142,279.25 : x
  2. Step 2: Convert to fraction form
    180,661.10/249,211.87 = 142,279.25/x
  3. Step 3: Cross multiply
    180,661.10x = 249,211.87 × 142,279.25
  4. Step 4: Simplify right side
    180,661.10x = 35,457,677,243.30
  5. Step 5: Solve for x
    x = 35,457,677,243.30/180,661.10
  6. Step 6: Final answer
    x = 196,266.25

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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.