Home / 140,296.32-210,263.04-104,958.72

Finding the Fourth Proportional to 140,296.32, 210,263.04 and 104,958.72

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Solution

The fourth proportional to 140,296.32, 210,263.04 and 104,958.72 is: 157,302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,296.32 : 210,263.04 = 104,958.72 : x
  2. Step 2: Convert to fraction form
    140,296.32/210,263.04 = 104,958.72/x
  3. Step 3: Cross multiply
    140,296.32x = 210,263.04 × 104,958.72
  4. Step 4: Simplify right side
    140,296.32x = 22,068,939,541.71
  5. Step 5: Solve for x
    x = 22,068,939,541.71/140,296.32
  6. Step 6: Final answer
    x = 157,302.34

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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.