Home / 140,106.30-210,221.11-73,530.38

Finding the Fourth Proportional to 140,106.30, 210,221.11 and 73,530.38

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Solution

The fourth proportional to 140,106.30, 210,221.11 and 73,530.38 is: 110,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,106.30 : 210,221.11 = 73,530.38 : x
  2. Step 2: Convert to fraction form
    140,106.30/210,221.11 = 73,530.38/x
  3. Step 3: Cross multiply
    140,106.30x = 210,221.11 × 73,530.38
  4. Step 4: Simplify right side
    140,106.30x = 15,457,637,051.22
  5. Step 5: Solve for x
    x = 15,457,637,051.22/140,106.30
  6. Step 6: Final answer
    x = 110,327.92

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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.