Home / 238,639.68-357,868.53-105,447.24

Finding the Fourth Proportional to 238,639.68, 357,868.53 and 105,447.24

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Solution

The fourth proportional to 238,639.68, 357,868.53 and 105,447.24 is: 158,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,639.68 : 357,868.53 = 105,447.24 : x
  2. Step 2: Convert to fraction form
    238,639.68/357,868.53 = 105,447.24/x
  3. Step 3: Cross multiply
    238,639.68x = 357,868.53 × 105,447.24
  4. Step 4: Simplify right side
    238,639.68x = 37,736,248,771.36
  5. Step 5: Solve for x
    x = 37,736,248,771.36/238,639.68
  6. Step 6: Final answer
    x = 158,130.65

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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.