Home / 147,370.86-221,055.93-42,189.66

Finding the Fourth Proportional to 147,370.86, 221,055.93 and 42,189.66

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Solution

The fourth proportional to 147,370.86, 221,055.93 and 42,189.66 is: 63,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,370.86 : 221,055.93 = 42,189.66 : x
  2. Step 2: Convert to fraction form
    147,370.86/221,055.93 = 42,189.66/x
  3. Step 3: Cross multiply
    147,370.86x = 221,055.93 × 42,189.66
  4. Step 4: Simplify right side
    147,370.86x = 9,326,274,527.68
  5. Step 5: Solve for x
    x = 9,326,274,527.68/147,370.86
  6. Step 6: Final answer
    x = 63,284.39

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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.