Home / 144,270.18-216,406.35-44,431.20

Finding the Fourth Proportional to 144,270.18, 216,406.35 and 44,431.20

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Solution

The fourth proportional to 144,270.18, 216,406.35 and 44,431.20 is: 66,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,270.18 : 216,406.35 = 44,431.20 : x
  2. Step 2: Convert to fraction form
    144,270.18/216,406.35 = 44,431.20/x
  3. Step 3: Cross multiply
    144,270.18x = 216,406.35 × 44,431.20
  4. Step 4: Simplify right side
    144,270.18x = 9,615,193,818.12
  5. Step 5: Solve for x
    x = 9,615,193,818.12/144,270.18
  6. Step 6: Final answer
    x = 66,647.13

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1.5x scale

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.