Home / 140,409.20-210,614.70-56,176.40

Finding the Fourth Proportional to 140,409.20, 210,614.70 and 56,176.40

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Solution

The fourth proportional to 140,409.20, 210,614.70 and 56,176.40 is: 84,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,409.20 : 210,614.70 = 56,176.40 : x
  2. Step 2: Convert to fraction form
    140,409.20/210,614.70 = 56,176.40/x
  3. Step 3: Cross multiply
    140,409.20x = 210,614.70 × 56,176.40
  4. Step 4: Simplify right side
    140,409.20x = 11,831,575,633.08
  5. Step 5: Solve for x
    x = 11,831,575,633.08/140,409.20
  6. Step 6: Final answer
    x = 84,264.96

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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.