Home / 180,835.28-249,552.96-100,263.68

Finding the Fourth Proportional to 180,835.28, 249,552.96 and 100,263.68

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Solution

The fourth proportional to 180,835.28, 249,552.96 and 100,263.68 is: 138,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,835.28 : 249,552.96 = 100,263.68 : x
  2. Step 2: Convert to fraction form
    180,835.28/249,552.96 = 100,263.68/x
  3. Step 3: Cross multiply
    180,835.28x = 249,552.96 × 100,263.68
  4. Step 4: Simplify right side
    180,835.28x = 25,021,098,124.49
  5. Step 5: Solve for x
    x = 25,021,098,124.49/180,835.28
  6. Step 6: Final answer
    x = 138,364.03

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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.