Home / 140,050.08-193,271.52-76,390.08

Finding the Fourth Proportional to 140,050.08, 193,271.52 and 76,390.08

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Solution

The fourth proportional to 140,050.08, 193,271.52 and 76,390.08 is: 105,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,050.08 : 193,271.52 = 76,390.08 : x
  2. Step 2: Convert to fraction form
    140,050.08/193,271.52 = 76,390.08/x
  3. Step 3: Cross multiply
    140,050.08x = 193,271.52 × 76,390.08
  4. Step 4: Simplify right side
    140,050.08x = 14,764,026,874.52
  5. Step 5: Solve for x
    x = 14,764,026,874.52/140,050.08
  6. Step 6: Final answer
    x = 105,419.62

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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.