Home / 207,970.51-286,999.31-112,477.18

Finding the Fourth Proportional to 207,970.51, 286,999.31 and 112,477.18

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Solution

The fourth proportional to 207,970.51, 286,999.31 and 112,477.18 is: 155,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,970.51 : 286,999.31 = 112,477.18 : x
  2. Step 2: Convert to fraction form
    207,970.51/286,999.31 = 112,477.18/x
  3. Step 3: Cross multiply
    207,970.51x = 286,999.31 × 112,477.18
  4. Step 4: Simplify right side
    207,970.51x = 32,280,872,614.44
  5. Step 5: Solve for x
    x = 32,280,872,614.44/207,970.51
  6. Step 6: Final answer
    x = 155,218.51

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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.