Home / 180,308.76-248,804.50-99,725.40

Finding the Fourth Proportional to 180,308.76, 248,804.50 and 99,725.40

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Solution

The fourth proportional to 180,308.76, 248,804.50 and 99,725.40 is: 137,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,308.76 : 248,804.50 = 99,725.40 : x
  2. Step 2: Convert to fraction form
    180,308.76/248,804.50 = 99,725.40/x
  3. Step 3: Cross multiply
    180,308.76x = 248,804.50 × 99,725.40
  4. Step 4: Simplify right side
    180,308.76x = 24,812,128,284.30
  5. Step 5: Solve for x
    x = 24,812,128,284.30/180,308.76
  6. Step 6: Final answer
    x = 137,609.11

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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.