Home / 112,197.47-154,828.95-63,804.65

Finding the Fourth Proportional to 112,197.47, 154,828.95 and 63,804.65

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Solution

The fourth proportional to 112,197.47, 154,828.95 and 63,804.65 is: 88,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,197.47 : 154,828.95 = 63,804.65 : x
  2. Step 2: Convert to fraction form
    112,197.47/154,828.95 = 63,804.65/x
  3. Step 3: Cross multiply
    112,197.47x = 154,828.95 × 63,804.65
  4. Step 4: Simplify right side
    112,197.47x = 9,878,807,351.69
  5. Step 5: Solve for x
    x = 9,878,807,351.69/112,197.47
  6. Step 6: Final answer
    x = 88,048.39

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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.