Home / 112,062.58-154,644.35-61,075.01

Finding the Fourth Proportional to 112,062.58, 154,644.35 and 61,075.01

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Solution

The fourth proportional to 112,062.58, 154,644.35 and 61,075.01 is: 84,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,062.58 : 154,644.35 = 61,075.01 : x
  2. Step 2: Convert to fraction form
    112,062.58/154,644.35 = 61,075.01/x
  3. Step 3: Cross multiply
    112,062.58x = 154,644.35 × 61,075.01
  4. Step 4: Simplify right side
    112,062.58x = 9,444,905,303.93
  5. Step 5: Solve for x
    x = 9,444,905,303.93/112,062.58
  6. Step 6: Final answer
    x = 84,282.42

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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.