Home / 140,415.40-210,623.10-93,176.20

Finding the Fourth Proportional to 140,415.40, 210,623.10 and 93,176.20

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Solution

The fourth proportional to 140,415.40, 210,623.10 and 93,176.20 is: 139,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,415.40 : 210,623.10 = 93,176.20 : x
  2. Step 2: Convert to fraction form
    140,415.40/210,623.10 = 93,176.20/x
  3. Step 3: Cross multiply
    140,415.40x = 210,623.10 × 93,176.20
  4. Step 4: Simplify right side
    140,415.40x = 19,625,060,090.22
  5. Step 5: Solve for x
    x = 19,625,060,090.22/140,415.40
  6. Step 6: Final answer
    x = 139,764.30

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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.