Home / 129,980.13-194,970.19-46,874.13

Finding the Fourth Proportional to 129,980.13, 194,970.19 and 46,874.13

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Solution

The fourth proportional to 129,980.13, 194,970.19 and 46,874.13 is: 70,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,980.13 : 194,970.19 = 46,874.13 : x
  2. Step 2: Convert to fraction form
    129,980.13/194,970.19 = 46,874.13/x
  3. Step 3: Cross multiply
    129,980.13x = 194,970.19 × 46,874.13
  4. Step 4: Simplify right side
    129,980.13x = 9,139,058,032.18
  5. Step 5: Solve for x
    x = 9,139,058,032.18/129,980.13
  6. Step 6: Final answer
    x = 70,311.19

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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.