Home / 140,723.80-211,085.70-70,577.80

Finding the Fourth Proportional to 140,723.80, 211,085.70 and 70,577.80

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Solution

The fourth proportional to 140,723.80, 211,085.70 and 70,577.80 is: 105,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,723.80 : 211,085.70 = 70,577.80 : x
  2. Step 2: Convert to fraction form
    140,723.80/211,085.70 = 70,577.80/x
  3. Step 3: Cross multiply
    140,723.80x = 211,085.70 × 70,577.80
  4. Step 4: Simplify right side
    140,723.80x = 14,897,964,317.46
  5. Step 5: Solve for x
    x = 14,897,964,317.46/140,723.80
  6. Step 6: Final answer
    x = 105,866.70

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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.