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Finding the Fourth Proportional to 180,469.78, 249,050.50 and 99,904.74

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Solution

The fourth proportional to 180,469.78, 249,050.50 and 99,904.74 is: 137,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,469.78 : 249,050.50 = 99,904.74 : x
  2. Step 2: Convert to fraction form
    180,469.78/249,050.50 = 99,904.74/x
  3. Step 3: Cross multiply
    180,469.78x = 249,050.50 × 99,904.74
  4. Step 4: Simplify right side
    180,469.78x = 24,881,325,449.37
  5. Step 5: Solve for x
    x = 24,881,325,449.37/180,469.78
  6. Step 6: Final answer
    x = 137,869.76

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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.