Home / 143,333.60-197,348.64-130,047.68

Finding the Fourth Proportional to 143,333.60, 197,348.64 and 130,047.68

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Solution

The fourth proportional to 143,333.60, 197,348.64 and 130,047.68 is: 179,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,333.60 : 197,348.64 = 130,047.68 : x
  2. Step 2: Convert to fraction form
    143,333.60/197,348.64 = 130,047.68/x
  3. Step 3: Cross multiply
    143,333.60x = 197,348.64 × 130,047.68
  4. Step 4: Simplify right side
    143,333.60x = 25,664,732,783.16
  5. Step 5: Solve for x
    x = 25,664,732,783.16/143,333.60
  6. Step 6: Final answer
    x = 179,055.94

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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.