Home / 180,856.02-249,580.08-100,283.58

Finding the Fourth Proportional to 180,856.02, 249,580.08 and 100,283.58

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Solution

The fourth proportional to 180,856.02, 249,580.08 and 100,283.58 is: 138,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,856.02 : 249,580.08 = 100,283.58 : x
  2. Step 2: Convert to fraction form
    180,856.02/249,580.08 = 100,283.58/x
  3. Step 3: Cross multiply
    180,856.02x = 249,580.08 × 100,283.58
  4. Step 4: Simplify right side
    180,856.02x = 25,028,783,919.09
  5. Step 5: Solve for x
    x = 25,028,783,919.09/180,856.02
  6. Step 6: Final answer
    x = 138,390.66

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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.