Home / 245,966.16-339,443.76-137,070.60

Finding the Fourth Proportional to 245,966.16, 339,443.76 and 137,070.60

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Solution

The fourth proportional to 245,966.16, 339,443.76 and 137,070.60 is: 189,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,966.16 : 339,443.76 = 137,070.60 : x
  2. Step 2: Convert to fraction form
    245,966.16/339,443.76 = 137,070.60/x
  3. Step 3: Cross multiply
    245,966.16x = 339,443.76 × 137,070.60
  4. Step 4: Simplify right side
    245,966.16x = 46,527,759,849.46
  5. Step 5: Solve for x
    x = 46,527,759,849.46/245,966.16
  6. Step 6: Final answer
    x = 189,163.26

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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.