Home / 152,865.35-210,805.71-118,813.76

Finding the Fourth Proportional to 152,865.35, 210,805.71 and 118,813.76

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Solution

The fourth proportional to 152,865.35, 210,805.71 and 118,813.76 is: 163,847.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,865.35 : 210,805.71 = 118,813.76 : x
  2. Step 2: Convert to fraction form
    152,865.35/210,805.71 = 118,813.76/x
  3. Step 3: Cross multiply
    152,865.35x = 210,805.71 × 118,813.76
  4. Step 4: Simplify right side
    152,865.35x = 25,046,619,034.57
  5. Step 5: Solve for x
    x = 25,046,619,034.57/152,865.35
  6. Step 6: Final answer
    x = 163,847.59

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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.