Home / 178,106.08-245,290.80-137,670.88

Finding the Fourth Proportional to 178,106.08, 245,290.80 and 137,670.88

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Solution

The fourth proportional to 178,106.08, 245,290.80 and 137,670.88 is: 189,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,106.08 : 245,290.80 = 137,670.88 : x
  2. Step 2: Convert to fraction form
    178,106.08/245,290.80 = 137,670.88/x
  3. Step 3: Cross multiply
    178,106.08x = 245,290.80 × 137,670.88
  4. Step 4: Simplify right side
    178,106.08x = 33,769,400,291.90
  5. Step 5: Solve for x
    x = 33,769,400,291.90/178,106.08
  6. Step 6: Final answer
    x = 189,602.74

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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.