Home / 156,782.64-235,193.40-51,638.16

Finding the Fourth Proportional to 156,782.64, 235,193.40 and 51,638.16

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Solution

The fourth proportional to 156,782.64, 235,193.40 and 51,638.16 is: 77,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,782.64 : 235,193.40 = 51,638.16 : x
  2. Step 2: Convert to fraction form
    156,782.64/235,193.40 = 51,638.16/x
  3. Step 3: Cross multiply
    156,782.64x = 235,193.40 × 51,638.16
  4. Step 4: Simplify right side
    156,782.64x = 12,144,954,420.14
  5. Step 5: Solve for x
    x = 12,144,954,420.14/156,782.64
  6. Step 6: Final answer
    x = 77,463.64

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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.