Home / 245,967.16-339,445.14-137,071.60

Finding the Fourth Proportional to 245,967.16, 339,445.14 and 137,071.60

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Solution

The fourth proportional to 245,967.16, 339,445.14 and 137,071.60 is: 189,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,967.16 : 339,445.14 = 137,071.60 : x
  2. Step 2: Convert to fraction form
    245,967.16/339,445.14 = 137,071.60/x
  3. Step 3: Cross multiply
    245,967.16x = 339,445.14 × 137,071.60
  4. Step 4: Simplify right side
    245,967.16x = 46,528,288,452.02
  5. Step 5: Solve for x
    x = 46,528,288,452.02/245,967.16
  6. Step 6: Final answer
    x = 189,164.64

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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.