Home / 210,157.41-290,017.20-134,705.91

Finding the Fourth Proportional to 210,157.41, 290,017.20 and 134,705.91

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Solution

The fourth proportional to 210,157.41, 290,017.20 and 134,705.91 is: 185,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,157.41 : 290,017.20 = 134,705.91 : x
  2. Step 2: Convert to fraction form
    210,157.41/290,017.20 = 134,705.91/x
  3. Step 3: Cross multiply
    210,157.41x = 290,017.20 × 134,705.91
  4. Step 4: Simplify right side
    210,157.41x = 39,067,030,841.65
  5. Step 5: Solve for x
    x = 39,067,030,841.65/210,157.41
  6. Step 6: Final answer
    x = 185,894.14

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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.