Home / 156,782.88-235,206.72-51,608.16

Finding the Fourth Proportional to 156,782.88, 235,206.72 and 51,608.16

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Solution

The fourth proportional to 156,782.88, 235,206.72 and 51,608.16 is: 77,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,782.88 : 235,206.72 = 51,608.16 : x
  2. Step 2: Convert to fraction form
    156,782.88/235,206.72 = 51,608.16/x
  3. Step 3: Cross multiply
    156,782.88x = 235,206.72 × 51,608.16
  4. Step 4: Simplify right side
    156,782.88x = 12,138,586,038.84
  5. Step 5: Solve for x
    x = 12,138,586,038.84/156,782.88
  6. Step 6: Final answer
    x = 77,422.91

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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.