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Finding the Fourth Proportional to 112,010, 154,573.80 and 61,710.08

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Solution

The fourth proportional to 112,010, 154,573.80 and 61,710.08 is: 85,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,010 : 154,573.80 = 61,710.08 : x
  2. Step 2: Convert to fraction form
    112,010/154,573.80 = 61,710.08/x
  3. Step 3: Cross multiply
    112,010x = 154,573.80 × 61,710.08
  4. Step 4: Simplify right side
    112,010x = 9,538,761,563.90
  5. Step 5: Solve for x
    x = 9,538,761,563.90/112,010
  6. Step 6: Final answer
    x = 85,159.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.