Home / 96,932.40-133,747.08-56,638.40

Finding the Fourth Proportional to 96,932.40, 133,747.08 and 56,638.40

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Solution

The fourth proportional to 96,932.40, 133,747.08 and 56,638.40 is: 78,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,932.40 : 133,747.08 = 56,638.40 : x
  2. Step 2: Convert to fraction form
    96,932.40/133,747.08 = 56,638.40/x
  3. Step 3: Cross multiply
    96,932.40x = 133,747.08 × 56,638.40
  4. Step 4: Simplify right side
    96,932.40x = 7,575,220,615.87
  5. Step 5: Solve for x
    x = 7,575,220,615.87/96,932.40
  6. Step 6: Final answer
    x = 78,149.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.