Home / 144,638.20-216,077.73-93,621.64

Finding the Fourth Proportional to 144,638.20, 216,077.73 and 93,621.64

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Solution

The fourth proportional to 144,638.20, 216,077.73 and 93,621.64 is: 139,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,638.20 : 216,077.73 = 93,621.64 : x
  2. Step 2: Convert to fraction form
    144,638.20/216,077.73 = 93,621.64/x
  3. Step 3: Cross multiply
    144,638.20x = 216,077.73 × 93,621.64
  4. Step 4: Simplify right side
    144,638.20x = 20,229,551,450.08
  5. Step 5: Solve for x
    x = 20,229,551,450.08/144,638.20
  6. Step 6: Final answer
    x = 139,863.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.