Home / 140,276.15-210,443.81-45,498.97

Finding the Fourth Proportional to 140,276.15, 210,443.81 and 45,498.97

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Solution

The fourth proportional to 140,276.15, 210,443.81 and 45,498.97 is: 68,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,276.15 : 210,443.81 = 45,498.97 : x
  2. Step 2: Convert to fraction form
    140,276.15/210,443.81 = 45,498.97/x
  3. Step 3: Cross multiply
    140,276.15x = 210,443.81 × 45,498.97
  4. Step 4: Simplify right side
    140,276.15x = 9,574,976,597.88
  5. Step 5: Solve for x
    x = 9,574,976,597.88/140,276.15
  6. Step 6: Final answer
    x = 68,258.05

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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.