Home / 180,917.52-249,502.83-112,940.76

Finding the Fourth Proportional to 180,917.52, 249,502.83 and 112,940.76

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Solution

The fourth proportional to 180,917.52, 249,502.83 and 112,940.76 is: 155,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,917.52 : 249,502.83 = 112,940.76 : x
  2. Step 2: Convert to fraction form
    180,917.52/249,502.83 = 112,940.76/x
  3. Step 3: Cross multiply
    180,917.52x = 249,502.83 × 112,940.76
  4. Step 4: Simplify right side
    180,917.52x = 28,179,039,242.35
  5. Step 5: Solve for x
    x = 28,179,039,242.35/180,917.52
  6. Step 6: Final answer
    x = 155,756.28

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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.