Home / 165,089.94-247,635.18-52,779.21

Finding the Fourth Proportional to 165,089.94, 247,635.18 and 52,779.21

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Solution

The fourth proportional to 165,089.94, 247,635.18 and 52,779.21 is: 79,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,089.94 : 247,635.18 = 52,779.21 : x
  2. Step 2: Convert to fraction form
    165,089.94/247,635.18 = 52,779.21/x
  3. Step 3: Cross multiply
    165,089.94x = 247,635.18 × 52,779.21
  4. Step 4: Simplify right side
    165,089.94x = 13,069,989,168.61
  5. Step 5: Solve for x
    x = 13,069,989,168.61/165,089.94
  6. Step 6: Final answer
    x = 79,168.90

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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.