Home / 105,348.67-145,381.21-57,602.41

Finding the Fourth Proportional to 105,348.67, 145,381.21 and 57,602.41

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Solution

The fourth proportional to 105,348.67, 145,381.21 and 57,602.41 is: 79,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,348.67 : 145,381.21 = 57,602.41 : x
  2. Step 2: Convert to fraction form
    105,348.67/145,381.21 = 57,602.41/x
  3. Step 3: Cross multiply
    105,348.67x = 145,381.21 × 57,602.41
  4. Step 4: Simplify right side
    105,348.67x = 8,374,307,557.26
  5. Step 5: Solve for x
    x = 8,374,307,557.26/105,348.67
  6. Step 6: Final answer
    x = 79,491.35

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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.