Home / 112,528.78-155,293.86-61,544.98

Finding the Fourth Proportional to 112,528.78, 155,293.86 and 61,544.98

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Solution

The fourth proportional to 112,528.78, 155,293.86 and 61,544.98 is: 84,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,528.78 : 155,293.86 = 61,544.98 : x
  2. Step 2: Convert to fraction form
    112,528.78/155,293.86 = 61,544.98/x
  3. Step 3: Cross multiply
    112,528.78x = 155,293.86 × 61,544.98
  4. Step 4: Simplify right side
    112,528.78x = 9,557,557,507.82
  5. Step 5: Solve for x
    x = 9,557,557,507.82/112,528.78
  6. Step 6: Final answer
    x = 84,934.34

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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.