Home / 140,004.60-210,006.90-125,570.40

Finding the Fourth Proportional to 140,004.60, 210,006.90 and 125,570.40

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Solution

The fourth proportional to 140,004.60, 210,006.90 and 125,570.40 is: 188,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,004.60 : 210,006.90 = 125,570.40 : x
  2. Step 2: Convert to fraction form
    140,004.60/210,006.90 = 125,570.40/x
  3. Step 3: Cross multiply
    140,004.60x = 210,006.90 × 125,570.40
  4. Step 4: Simplify right side
    140,004.60x = 26,370,650,435.76
  5. Step 5: Solve for x
    x = 26,370,650,435.76/140,004.60
  6. Step 6: Final answer
    x = 188,355.60

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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.