Home / 96,619.80-144,929.70-89,621.40

Finding the Fourth Proportional to 96,619.80, 144,929.70 and 89,621.40

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Solution

The fourth proportional to 96,619.80, 144,929.70 and 89,621.40 is: 134,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,619.80 : 144,929.70 = 89,621.40 : x
  2. Step 2: Convert to fraction form
    96,619.80/144,929.70 = 89,621.40/x
  3. Step 3: Cross multiply
    96,619.80x = 144,929.70 × 89,621.40
  4. Step 4: Simplify right side
    96,619.80x = 12,988,802,615.58
  5. Step 5: Solve for x
    x = 12,988,802,615.58/96,619.80
  6. Step 6: Final answer
    x = 134,432.10

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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.