Home / 75,432.28-113,148.40-19,272.50

Finding the Fourth Proportional to 75,432.28, 113,148.40 and 19,272.50

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Solution

The fourth proportional to 75,432.28, 113,148.40 and 19,272.50 is: 28,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,432.28 : 113,148.40 = 19,272.50 : x
  2. Step 2: Convert to fraction form
    75,432.28/113,148.40 = 19,272.50/x
  3. Step 3: Cross multiply
    75,432.28x = 113,148.40 × 19,272.50
  4. Step 4: Simplify right side
    75,432.28x = 2,180,651,973.26
  5. Step 5: Solve for x
    x = 2,180,651,973.26/75,432.28
  6. Step 6: Final answer
    x = 28,908.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.