Home / 112,287.52-154,953.84-61,985.44

Finding the Fourth Proportional to 112,287.52, 154,953.84 and 61,985.44

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Solution

The fourth proportional to 112,287.52, 154,953.84 and 61,985.44 is: 85,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,287.52 : 154,953.84 = 61,985.44 : x
  2. Step 2: Convert to fraction form
    112,287.52/154,953.84 = 61,985.44/x
  3. Step 3: Cross multiply
    112,287.52x = 154,953.84 × 61,985.44
  4. Step 4: Simplify right side
    112,287.52x = 9,604,881,952.09
  5. Step 5: Solve for x
    x = 9,604,881,952.09/112,287.52
  6. Step 6: Final answer
    x = 85,538.29

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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.