Home / 113,320.59-156,415.37-75,594.75

Finding the Fourth Proportional to 113,320.59, 156,415.37 and 75,594.75

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Solution

The fourth proportional to 113,320.59, 156,415.37 and 75,594.75 is: 104,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,320.59 : 156,415.37 = 75,594.75 : x
  2. Step 2: Convert to fraction form
    113,320.59/156,415.37 = 75,594.75/x
  3. Step 3: Cross multiply
    113,320.59x = 156,415.37 × 75,594.75
  4. Step 4: Simplify right side
    113,320.59x = 11,824,180,791.31
  5. Step 5: Solve for x
    x = 11,824,180,791.31/113,320.59
  6. Step 6: Final answer
    x = 104,342.74

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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.