Home / 180,943.93-249,704.13-100,376.74

Finding the Fourth Proportional to 180,943.93, 249,704.13 and 100,376.74

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Solution

The fourth proportional to 180,943.93, 249,704.13 and 100,376.74 is: 138,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,943.93 : 249,704.13 = 100,376.74 : x
  2. Step 2: Convert to fraction form
    180,943.93/249,704.13 = 100,376.74/x
  3. Step 3: Cross multiply
    180,943.93x = 249,704.13 × 100,376.74
  4. Step 4: Simplify right side
    180,943.93x = 25,064,486,533.94
  5. Step 5: Solve for x
    x = 25,064,486,533.94/180,943.93
  6. Step 6: Final answer
    x = 138,520.74

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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.