Home / 104,938.77-144,811.29-57,191.10

Finding the Fourth Proportional to 104,938.77, 144,811.29 and 57,191.10

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Solution

The fourth proportional to 104,938.77, 144,811.29 and 57,191.10 is: 78,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,938.77 : 144,811.29 = 57,191.10 : x
  2. Step 2: Convert to fraction form
    104,938.77/144,811.29 = 57,191.10/x
  3. Step 3: Cross multiply
    104,938.77x = 144,811.29 × 57,191.10
  4. Step 4: Simplify right side
    104,938.77x = 8,281,916,967.52
  5. Step 5: Solve for x
    x = 8,281,916,967.52/104,938.77
  6. Step 6: Final answer
    x = 78,921.42

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1.5x scale

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.