Home / 134,775.04-185,987.25-74,351.47

Finding the Fourth Proportional to 134,775.04, 185,987.25 and 74,351.47

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Solution

The fourth proportional to 134,775.04, 185,987.25 and 74,351.47 is: 102,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,775.04 : 185,987.25 = 74,351.47 : x
  2. Step 2: Convert to fraction form
    134,775.04/185,987.25 = 74,351.47/x
  3. Step 3: Cross multiply
    134,775.04x = 185,987.25 × 74,351.47
  4. Step 4: Simplify right side
    134,775.04x = 13,828,425,438.76
  5. Step 5: Solve for x
    x = 13,828,425,438.76/134,775.04
  6. Step 6: Final answer
    x = 102,603.76

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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.