Home / 144,610.36-216,864.74-43,378.23

Finding the Fourth Proportional to 144,610.36, 216,864.74 and 43,378.23

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Solution

The fourth proportional to 144,610.36, 216,864.74 and 43,378.23 is: 65,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,610.36 : 216,864.74 = 43,378.23 : x
  2. Step 2: Convert to fraction form
    144,610.36/216,864.74 = 43,378.23/x
  3. Step 3: Cross multiply
    144,610.36x = 216,864.74 × 43,378.23
  4. Step 4: Simplify right side
    144,610.36x = 9,407,209,492.30
  5. Step 5: Solve for x
    x = 9,407,209,492.30/144,610.36
  6. Step 6: Final answer
    x = 65,052.11

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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.