Home / 112,051.44-154,631.01-61,064.18

Finding the Fourth Proportional to 112,051.44, 154,631.01 and 61,064.18

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Solution

The fourth proportional to 112,051.44, 154,631.01 and 61,064.18 is: 84,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,051.44 : 154,631.01 = 61,064.18 : x
  2. Step 2: Convert to fraction form
    112,051.44/154,631.01 = 61,064.18/x
  3. Step 3: Cross multiply
    112,051.44x = 154,631.01 × 61,064.18
  4. Step 4: Simplify right side
    112,051.44x = 9,442,415,828.22
  5. Step 5: Solve for x
    x = 9,442,415,828.22/112,051.44
  6. Step 6: Final answer
    x = 84,268.58

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1.5x scale

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.