Home / 140,323.10-210,337.64-65,381.45

Finding the Fourth Proportional to 140,323.10, 210,337.64 and 65,381.45

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Solution

The fourth proportional to 140,323.10, 210,337.64 and 65,381.45 is: 98,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,323.10 : 210,337.64 = 65,381.45 : x
  2. Step 2: Convert to fraction form
    140,323.10/210,337.64 = 65,381.45/x
  3. Step 3: Cross multiply
    140,323.10x = 210,337.64 × 65,381.45
  4. Step 4: Simplify right side
    140,323.10x = 13,752,180,091.71
  5. Step 5: Solve for x
    x = 13,752,180,091.71/140,323.10
  6. Step 6: Final answer
    x = 98,003.68

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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.