Home / 105,931.41-146,186.41-57,534.29

Finding the Fourth Proportional to 105,931.41, 146,186.41 and 57,534.29

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Solution

The fourth proportional to 105,931.41, 146,186.41 and 57,534.29 is: 79,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,931.41 : 146,186.41 = 57,534.29 : x
  2. Step 2: Convert to fraction form
    105,931.41/146,186.41 = 57,534.29/x
  3. Step 3: Cross multiply
    105,931.41x = 146,186.41 × 57,534.29
  4. Step 4: Simplify right side
    105,931.41x = 8,410,731,088.31
  5. Step 5: Solve for x
    x = 8,410,731,088.31/105,931.41
  6. Step 6: Final answer
    x = 79,397.89

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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.