Home / 96,271.80-144,432.03-77,720.40

Finding the Fourth Proportional to 96,271.80, 144,432.03 and 77,720.40

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Solution

The fourth proportional to 96,271.80, 144,432.03 and 77,720.40 is: 116,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,271.80 : 144,432.03 = 77,720.40 : x
  2. Step 2: Convert to fraction form
    96,271.80/144,432.03 = 77,720.40/x
  3. Step 3: Cross multiply
    96,271.80x = 144,432.03 × 77,720.40
  4. Step 4: Simplify right side
    96,271.80x = 11,225,315,144.41
  5. Step 5: Solve for x
    x = 11,225,315,144.41/96,271.80
  6. Step 6: Final answer
    x = 116,600.24

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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.