Home / 144,139.86-216,217.08-55,362.24

Finding the Fourth Proportional to 144,139.86, 216,217.08 and 55,362.24

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Solution

The fourth proportional to 144,139.86, 216,217.08 and 55,362.24 is: 83,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,139.86 : 216,217.08 = 55,362.24 : x
  2. Step 2: Convert to fraction form
    144,139.86/216,217.08 = 55,362.24/x
  3. Step 3: Cross multiply
    144,139.86x = 216,217.08 × 55,362.24
  4. Step 4: Simplify right side
    144,139.86x = 11,970,261,875.06
  5. Step 5: Solve for x
    x = 11,970,261,875.06/144,139.86
  6. Step 6: Final answer
    x = 83,046.16

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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.