Home / 102,920.58-141,985.32-60,459.96

Finding the Fourth Proportional to 102,920.58, 141,985.32 and 60,459.96

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Solution

The fourth proportional to 102,920.58, 141,985.32 and 60,459.96 is: 83,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,920.58 : 141,985.32 = 60,459.96 : x
  2. Step 2: Convert to fraction form
    102,920.58/141,985.32 = 60,459.96/x
  3. Step 3: Cross multiply
    102,920.58x = 141,985.32 × 60,459.96
  4. Step 4: Simplify right side
    102,920.58x = 8,584,426,767.79
  5. Step 5: Solve for x
    x = 8,584,426,767.79/102,920.58
  6. Step 6: Final answer
    x = 83,408.26

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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.