Home / 130,793.25-180,488.49-72,653.74

Finding the Fourth Proportional to 130,793.25, 180,488.49 and 72,653.74

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Solution

The fourth proportional to 130,793.25, 180,488.49 and 72,653.74 is: 100,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,793.25 : 180,488.49 = 72,653.74 : x
  2. Step 2: Convert to fraction form
    130,793.25/180,488.49 = 72,653.74/x
  3. Step 3: Cross multiply
    130,793.25x = 180,488.49 × 72,653.74
  4. Step 4: Simplify right side
    130,793.25x = 13,113,163,825.45
  5. Step 5: Solve for x
    x = 13,113,163,825.45/130,793.25
  6. Step 6: Final answer
    x = 100,258.72

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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.