Home / 130,877.40-196,305.15-51,970.44

Finding the Fourth Proportional to 130,877.40, 196,305.15 and 51,970.44

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Solution

The fourth proportional to 130,877.40, 196,305.15 and 51,970.44 is: 77,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,877.40 : 196,305.15 = 51,970.44 : x
  2. Step 2: Convert to fraction form
    130,877.40/196,305.15 = 51,970.44/x
  3. Step 3: Cross multiply
    130,877.40x = 196,305.15 × 51,970.44
  4. Step 4: Simplify right side
    130,877.40x = 10,202,065,019.77
  5. Step 5: Solve for x
    x = 10,202,065,019.77/130,877.40
  6. Step 6: Final answer
    x = 77,951.31

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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.