Home / 156,739.55-235,109.33-38,412.05

Finding the Fourth Proportional to 156,739.55, 235,109.33 and 38,412.05

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Solution

The fourth proportional to 156,739.55, 235,109.33 and 38,412.05 is: 57,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739.55 : 235,109.33 = 38,412.05 : x
  2. Step 2: Convert to fraction form
    156,739.55/235,109.33 = 38,412.05/x
  3. Step 3: Cross multiply
    156,739.55x = 235,109.33 × 38,412.05
  4. Step 4: Simplify right side
    156,739.55x = 9,031,031,339.43
  5. Step 5: Solve for x
    x = 9,031,031,339.43/156,739.55
  6. Step 6: Final answer
    x = 57,618.08

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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.