Home / 160,412.56-221,337.96-100,762

Finding the Fourth Proportional to 160,412.56, 221,337.96 and 100,762

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Solution

The fourth proportional to 160,412.56, 221,337.96 and 100,762 is: 139,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,412.56 : 221,337.96 = 100,762 : x
  2. Step 2: Convert to fraction form
    160,412.56/221,337.96 = 100,762/x
  3. Step 3: Cross multiply
    160,412.56x = 221,337.96 × 100,762
  4. Step 4: Simplify right side
    160,412.56x = 22,302,455,525.52
  5. Step 5: Solve for x
    x = 22,302,455,525.52/160,412.56
  6. Step 6: Final answer
    x = 139,031.85

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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.