Home / 102,126.15-153,189.14-31,049.37

Finding the Fourth Proportional to 102,126.15, 153,189.14 and 31,049.37

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Solution

The fourth proportional to 102,126.15, 153,189.14 and 31,049.37 is: 46,574.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,126.15 : 153,189.14 = 31,049.37 : x
  2. Step 2: Convert to fraction form
    102,126.15/153,189.14 = 31,049.37/x
  3. Step 3: Cross multiply
    102,126.15x = 153,189.14 × 31,049.37
  4. Step 4: Simplify right side
    102,126.15x = 4,756,426,132.59
  5. Step 5: Solve for x
    x = 4,756,426,132.59/102,126.15
  6. Step 6: Final answer
    x = 46,574.03

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1.5x scale

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.