Home / 260,340.93-390,065.58-142,095.25

Finding the Fourth Proportional to 260,340.93, 390,065.58 and 142,095.25

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Solution

The fourth proportional to 260,340.93, 390,065.58 and 142,095.25 is: 212,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,340.93 : 390,065.58 = 142,095.25 : x
  2. Step 2: Convert to fraction form
    260,340.93/390,065.58 = 142,095.25/x
  3. Step 3: Cross multiply
    260,340.93x = 390,065.58 × 142,095.25
  4. Step 4: Simplify right side
    260,340.93x = 55,426,465,396.02
  5. Step 5: Solve for x
    x = 55,426,465,396.02/260,340.93
  6. Step 6: Final answer
    x = 212,899.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.