Home / 134,106.64-185,040.90-76,763.50

Finding the Fourth Proportional to 134,106.64, 185,040.90 and 76,763.50

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Solution

The fourth proportional to 134,106.64, 185,040.90 and 76,763.50 is: 105,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,106.64 : 185,040.90 = 76,763.50 : x
  2. Step 2: Convert to fraction form
    134,106.64/185,040.90 = 76,763.50/x
  3. Step 3: Cross multiply
    134,106.64x = 185,040.90 × 76,763.50
  4. Step 4: Simplify right side
    134,106.64x = 14,204,387,127.15
  5. Step 5: Solve for x
    x = 14,204,387,127.15/134,106.64
  6. Step 6: Final answer
    x = 105,918.60

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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.