Home / 180,693.32-249,353.48-100,120.54

Finding the Fourth Proportional to 180,693.32, 249,353.48 and 100,120.54

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Solution

The fourth proportional to 180,693.32, 249,353.48 and 100,120.54 is: 138,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,693.32 : 249,353.48 = 100,120.54 : x
  2. Step 2: Convert to fraction form
    180,693.32/249,353.48 = 100,120.54/x
  3. Step 3: Cross multiply
    180,693.32x = 249,353.48 × 100,120.54
  4. Step 4: Simplify right side
    180,693.32x = 24,965,405,068.48
  5. Step 5: Solve for x
    x = 24,965,405,068.48/180,693.32
  6. Step 6: Final answer
    x = 138,164.52

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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.