Home / 102,853.74-141,905.88-57,525.60

Finding the Fourth Proportional to 102,853.74, 141,905.88 and 57,525.60

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Solution

The fourth proportional to 102,853.74, 141,905.88 and 57,525.60 is: 79,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,853.74 : 141,905.88 = 57,525.60 : x
  2. Step 2: Convert to fraction form
    102,853.74/141,905.88 = 57,525.60/x
  3. Step 3: Cross multiply
    102,853.74x = 141,905.88 × 57,525.60
  4. Step 4: Simplify right side
    102,853.74x = 8,163,220,890.53
  5. Step 5: Solve for x
    x = 8,163,220,890.53/102,853.74
  6. Step 6: Final answer
    x = 79,367.27

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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.