Home / 137,465.17-189,704.23-77,049.29

Finding the Fourth Proportional to 137,465.17, 189,704.23 and 77,049.29

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Solution

The fourth proportional to 137,465.17, 189,704.23 and 77,049.29 is: 106,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,465.17 : 189,704.23 = 77,049.29 : x
  2. Step 2: Convert to fraction form
    137,465.17/189,704.23 = 77,049.29/x
  3. Step 3: Cross multiply
    137,465.17x = 189,704.23 × 77,049.29
  4. Step 4: Simplify right side
    137,465.17x = 14,616,576,513.13
  5. Step 5: Solve for x
    x = 14,616,576,513.13/137,465.17
  6. Step 6: Final answer
    x = 106,329.31

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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.