Home / 144,447.12-216,670.05-39,265.79

Finding the Fourth Proportional to 144,447.12, 216,670.05 and 39,265.79

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Solution

The fourth proportional to 144,447.12, 216,670.05 and 39,265.79 is: 58,898.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,447.12 : 216,670.05 = 39,265.79 : x
  2. Step 2: Convert to fraction form
    144,447.12/216,670.05 = 39,265.79/x
  3. Step 3: Cross multiply
    144,447.12x = 216,670.05 × 39,265.79
  4. Step 4: Simplify right side
    144,447.12x = 8,507,719,599.24
  5. Step 5: Solve for x
    x = 8,507,719,599.24/144,447.12
  6. Step 6: Final answer
    x = 58,898.51

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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.