Home / 158,968.86-238,514.40-70,159.62

Finding the Fourth Proportional to 158,968.86, 238,514.40 and 70,159.62

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Solution

The fourth proportional to 158,968.86, 238,514.40 and 70,159.62 is: 105,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,968.86 : 238,514.40 = 70,159.62 : x
  2. Step 2: Convert to fraction form
    158,968.86/238,514.40 = 70,159.62/x
  3. Step 3: Cross multiply
    158,968.86x = 238,514.40 × 70,159.62
  4. Step 4: Simplify right side
    158,968.86x = 16,734,079,668.53
  5. Step 5: Solve for x
    x = 16,734,079,668.53/158,968.86
  6. Step 6: Final answer
    x = 105,266.40

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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.