Home / 145,525.60-218,295.69-52,031.35

Finding the Fourth Proportional to 145,525.60, 218,295.69 and 52,031.35

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Solution

The fourth proportional to 145,525.60, 218,295.69 and 52,031.35 is: 78,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,525.60 : 218,295.69 = 52,031.35 : x
  2. Step 2: Convert to fraction form
    145,525.60/218,295.69 = 52,031.35/x
  3. Step 3: Cross multiply
    145,525.60x = 218,295.69 × 52,031.35
  4. Step 4: Simplify right side
    145,525.60x = 11,358,219,449.88
  5. Step 5: Solve for x
    x = 11,358,219,449.88/145,525.60
  6. Step 6: Final answer
    x = 78,049.63

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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.