Home / 134,730.30-185,929.14-74,303.40

Finding the Fourth Proportional to 134,730.30, 185,929.14 and 74,303.40

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Solution

The fourth proportional to 134,730.30, 185,929.14 and 74,303.40 is: 102,539.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,730.30 : 185,929.14 = 74,303.40 : x
  2. Step 2: Convert to fraction form
    134,730.30/185,929.14 = 74,303.40/x
  3. Step 3: Cross multiply
    134,730.30x = 185,929.14 × 74,303.40
  4. Step 4: Simplify right side
    134,730.30x = 13,815,167,261.08
  5. Step 5: Solve for x
    x = 13,815,167,261.08/134,730.30
  6. Step 6: Final answer
    x = 102,539.42

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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.