Home / 180,914.95-249,653.83-100,335.34

Finding the Fourth Proportional to 180,914.95, 249,653.83 and 100,335.34

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Solution

The fourth proportional to 180,914.95, 249,653.83 and 100,335.34 is: 138,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,914.95 : 249,653.83 = 100,335.34 : x
  2. Step 2: Convert to fraction form
    180,914.95/249,653.83 = 100,335.34/x
  3. Step 3: Cross multiply
    180,914.95x = 249,653.83 × 100,335.34
  4. Step 4: Simplify right side
    180,914.95x = 25,049,100,165.41
  5. Step 5: Solve for x
    x = 25,049,100,165.41/180,914.95
  6. Step 6: Final answer
    x = 138,457.88

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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.