Home / 104,390.40-144,056.12-61,948

Finding the Fourth Proportional to 104,390.40, 144,056.12 and 61,948

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Solution

The fourth proportional to 104,390.40, 144,056.12 and 61,948 is: 85,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,390.40 : 144,056.12 = 61,948 : x
  2. Step 2: Convert to fraction form
    104,390.40/144,056.12 = 61,948/x
  3. Step 3: Cross multiply
    104,390.40x = 144,056.12 × 61,948
  4. Step 4: Simplify right side
    104,390.40x = 8,923,988,521.76
  5. Step 5: Solve for x
    x = 8,923,988,521.76/104,390.40
  6. Step 6: Final answer
    x = 85,486.68

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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.