Home / 140,069.40-210,117.14-55,809.24

Finding the Fourth Proportional to 140,069.40, 210,117.14 and 55,809.24

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Solution

The fourth proportional to 140,069.40, 210,117.14 and 55,809.24 is: 83,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,069.40 : 210,117.14 = 55,809.24 : x
  2. Step 2: Convert to fraction form
    140,069.40/210,117.14 = 55,809.24/x
  3. Step 3: Cross multiply
    140,069.40x = 210,117.14 × 55,809.24
  4. Step 4: Simplify right side
    140,069.40x = 11,726,477,894.37
  5. Step 5: Solve for x
    x = 11,726,477,894.37/140,069.40
  6. Step 6: Final answer
    x = 83,719.06

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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.