Home / 101,609.37-140,228.82-56,291.67

Finding the Fourth Proportional to 101,609.37, 140,228.82 and 56,291.67

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Solution

The fourth proportional to 101,609.37, 140,228.82 and 56,291.67 is: 77,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,609.37 : 140,228.82 = 56,291.67 : x
  2. Step 2: Convert to fraction form
    101,609.37/140,228.82 = 56,291.67/x
  3. Step 3: Cross multiply
    101,609.37x = 140,228.82 × 56,291.67
  4. Step 4: Simplify right side
    101,609.37x = 7,893,714,459.93
  5. Step 5: Solve for x
    x = 7,893,714,459.93/101,609.37
  6. Step 6: Final answer
    x = 77,686.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.