Home / 119,868.94-165,421.41-66,152.80

Finding the Fourth Proportional to 119,868.94, 165,421.41 and 66,152.80

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Solution

The fourth proportional to 119,868.94, 165,421.41 and 66,152.80 is: 91,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,868.94 : 165,421.41 = 66,152.80 : x
  2. Step 2: Convert to fraction form
    119,868.94/165,421.41 = 66,152.80/x
  3. Step 3: Cross multiply
    119,868.94x = 165,421.41 × 66,152.80
  4. Step 4: Simplify right side
    119,868.94x = 10,943,089,968.32
  5. Step 5: Solve for x
    x = 10,943,089,968.32/119,868.94
  6. Step 6: Final answer
    x = 91,292.12

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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.