Home / 162,088.72-243,157.32-56,889.20

Finding the Fourth Proportional to 162,088.72, 243,157.32 and 56,889.20

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Solution

The fourth proportional to 162,088.72, 243,157.32 and 56,889.20 is: 85,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,088.72 : 243,157.32 = 56,889.20 : x
  2. Step 2: Convert to fraction form
    162,088.72/243,157.32 = 56,889.20/x
  3. Step 3: Cross multiply
    162,088.72x = 243,157.32 × 56,889.20
  4. Step 4: Simplify right side
    162,088.72x = 13,833,025,408.94
  5. Step 5: Solve for x
    x = 13,833,025,408.94/162,088.72
  6. Step 6: Final answer
    x = 85,342.31

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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.