Home / 119,133.36-178,647.55-55,971.42

Finding the Fourth Proportional to 119,133.36, 178,647.55 and 55,971.42

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Solution

The fourth proportional to 119,133.36, 178,647.55 and 55,971.42 is: 83,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,133.36 : 178,647.55 = 55,971.42 : x
  2. Step 2: Convert to fraction form
    119,133.36/178,647.55 = 55,971.42/x
  3. Step 3: Cross multiply
    119,133.36x = 178,647.55 × 55,971.42
  4. Step 4: Simplify right side
    119,133.36x = 9,999,157,053.02
  5. Step 5: Solve for x
    x = 9,999,157,053.02/119,133.36
  6. Step 6: Final answer
    x = 83,932.47

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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.