Home / 140,335.58-210,555.76-84,215.94

Finding the Fourth Proportional to 140,335.58, 210,555.76 and 84,215.94

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Solution

The fourth proportional to 140,335.58, 210,555.76 and 84,215.94 is: 126,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,335.58 : 210,555.76 = 84,215.94 : x
  2. Step 2: Convert to fraction form
    140,335.58/210,555.76 = 84,215.94/x
  3. Step 3: Cross multiply
    140,335.58x = 210,555.76 × 84,215.94
  4. Step 4: Simplify right side
    140,335.58x = 17,732,151,250.81
  5. Step 5: Solve for x
    x = 17,732,151,250.81/140,335.58
  6. Step 6: Final answer
    x = 126,355.35

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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.