Home / 144,512.51-216,588.21-69,618.69

Finding the Fourth Proportional to 144,512.51, 216,588.21 and 69,618.69

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Solution

The fourth proportional to 144,512.51, 216,588.21 and 69,618.69 is: 104,341.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,512.51 : 216,588.21 = 69,618.69 : x
  2. Step 2: Convert to fraction form
    144,512.51/216,588.21 = 69,618.69/x
  3. Step 3: Cross multiply
    144,512.51x = 216,588.21 × 69,618.69
  4. Step 4: Simplify right side
    144,512.51x = 15,078,587,449.64
  5. Step 5: Solve for x
    x = 15,078,587,449.64/144,512.51
  6. Step 6: Final answer
    x = 104,341.06

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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.