Home / 209,334.58-288,947.55-118,750.76

Finding the Fourth Proportional to 209,334.58, 288,947.55 and 118,750.76

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Solution

The fourth proportional to 209,334.58, 288,947.55 and 118,750.76 is: 163,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,334.58 : 288,947.55 = 118,750.76 : x
  2. Step 2: Convert to fraction form
    209,334.58/288,947.55 = 118,750.76/x
  3. Step 3: Cross multiply
    209,334.58x = 288,947.55 × 118,750.76
  4. Step 4: Simplify right side
    209,334.58x = 34,312,741,246.77
  5. Step 5: Solve for x
    x = 34,312,741,246.77/209,334.58
  6. Step 6: Final answer
    x = 163,913.39

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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.