Home / 188,368.16-259,962.63-107,820.95

Finding the Fourth Proportional to 188,368.16, 259,962.63 and 107,820.95

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Solution

The fourth proportional to 188,368.16, 259,962.63 and 107,820.95 is: 148,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,368.16 : 259,962.63 = 107,820.95 : x
  2. Step 2: Convert to fraction form
    188,368.16/259,962.63 = 107,820.95/x
  3. Step 3: Cross multiply
    188,368.16x = 259,962.63 × 107,820.95
  4. Step 4: Simplify right side
    188,368.16x = 28,029,417,731.10
  5. Step 5: Solve for x
    x = 28,029,417,731.10/188,368.16
  6. Step 6: Final answer
    x = 148,801.25

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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.