Home / 144,278.81-216,441.47-44,438.96

Finding the Fourth Proportional to 144,278.81, 216,441.47 and 44,438.96

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Solution

The fourth proportional to 144,278.81, 216,441.47 and 44,438.96 is: 66,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,278.81 : 216,441.47 = 44,438.96 : x
  2. Step 2: Convert to fraction form
    144,278.81/216,441.47 = 44,438.96/x
  3. Step 3: Cross multiply
    144,278.81x = 216,441.47 × 44,438.96
  4. Step 4: Simplify right side
    144,278.81x = 9,618,432,689.92
  5. Step 5: Solve for x
    x = 9,618,432,689.92/144,278.81
  6. Step 6: Final answer
    x = 66,665.60

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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.