Home / 186,973.76-258,013.56-102,088.88

Finding the Fourth Proportional to 186,973.76, 258,013.56 and 102,088.88

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Solution

The fourth proportional to 186,973.76, 258,013.56 and 102,088.88 is: 140,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,973.76 : 258,013.56 = 102,088.88 : x
  2. Step 2: Convert to fraction form
    186,973.76/258,013.56 = 102,088.88/x
  3. Step 3: Cross multiply
    186,973.76x = 258,013.56 × 102,088.88
  4. Step 4: Simplify right side
    186,973.76x = 26,340,315,365.21
  5. Step 5: Solve for x
    x = 26,340,315,365.21/186,973.76
  6. Step 6: Final answer
    x = 140,877.07

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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.