Home / 163,741.09-245,611.61-45,412.42

Finding the Fourth Proportional to 163,741.09, 245,611.61 and 45,412.42

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Solution

The fourth proportional to 163,741.09, 245,611.61 and 45,412.42 is: 68,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,741.09 : 245,611.61 = 45,412.42 : x
  2. Step 2: Convert to fraction form
    163,741.09/245,611.61 = 45,412.42/x
  3. Step 3: Cross multiply
    163,741.09x = 245,611.61 × 45,412.42
  4. Step 4: Simplify right side
    163,741.09x = 11,153,817,590.20
  5. Step 5: Solve for x
    x = 11,153,817,590.20/163,741.09
  6. Step 6: Final answer
    x = 68,118.63

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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.