Home / 113,890.40-170,835.60-30,784.40

Finding the Fourth Proportional to 113,890.40, 170,835.60 and 30,784.40

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Solution

The fourth proportional to 113,890.40, 170,835.60 and 30,784.40 is: 46,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,890.40 : 170,835.60 = 30,784.40 : x
  2. Step 2: Convert to fraction form
    113,890.40/170,835.60 = 30,784.40/x
  3. Step 3: Cross multiply
    113,890.40x = 170,835.60 × 30,784.40
  4. Step 4: Simplify right side
    113,890.40x = 5,259,071,444.64
  5. Step 5: Solve for x
    x = 5,259,071,444.64/113,890.40
  6. Step 6: Final answer
    x = 46,176.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.