Home / 103,544.12-142,889.28-58,222.14

Finding the Fourth Proportional to 103,544.12, 142,889.28 and 58,222.14

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Solution

The fourth proportional to 103,544.12, 142,889.28 and 58,222.14 is: 80,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,544.12 : 142,889.28 = 58,222.14 : x
  2. Step 2: Convert to fraction form
    103,544.12/142,889.28 = 58,222.14/x
  3. Step 3: Cross multiply
    103,544.12x = 142,889.28 × 58,222.14
  4. Step 4: Simplify right side
    103,544.12x = 8,319,319,664.66
  5. Step 5: Solve for x
    x = 8,319,319,664.66/103,544.12
  6. Step 6: Final answer
    x = 80,345.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.