Home / 130,654.50-180,303.30-74,069.52

Finding the Fourth Proportional to 130,654.50, 180,303.30 and 74,069.52

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Solution

The fourth proportional to 130,654.50, 180,303.30 and 74,069.52 is: 102,215.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,654.50 : 180,303.30 = 74,069.52 : x
  2. Step 2: Convert to fraction form
    130,654.50/180,303.30 = 74,069.52/x
  3. Step 3: Cross multiply
    130,654.50x = 180,303.30 × 74,069.52
  4. Step 4: Simplify right side
    130,654.50x = 13,354,978,885.42
  5. Step 5: Solve for x
    x = 13,354,978,885.42/130,654.50
  6. Step 6: Final answer
    x = 102,215.99

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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.