Home / 180,467.78-249,047.73-99,902.75

Finding the Fourth Proportional to 180,467.78, 249,047.73 and 99,902.75

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Solution

The fourth proportional to 180,467.78, 249,047.73 and 99,902.75 is: 137,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,467.78 : 249,047.73 = 99,902.75 : x
  2. Step 2: Convert to fraction form
    180,467.78/249,047.73 = 99,902.75/x
  3. Step 3: Cross multiply
    180,467.78x = 249,047.73 × 99,902.75
  4. Step 4: Simplify right side
    180,467.78x = 24,880,551,863.02
  5. Step 5: Solve for x
    x = 24,880,551,863.02/180,467.78
  6. Step 6: Final answer
    x = 137,867.01

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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.