Home / 104,904.02-144,767.46-57,157.76

Finding the Fourth Proportional to 104,904.02, 144,767.46 and 57,157.76

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Solution

The fourth proportional to 104,904.02, 144,767.46 and 57,157.76 is: 78,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,904.02 : 144,767.46 = 57,157.76 : x
  2. Step 2: Convert to fraction form
    104,904.02/144,767.46 = 57,157.76/x
  3. Step 3: Cross multiply
    104,904.02x = 144,767.46 × 57,157.76
  4. Step 4: Simplify right side
    104,904.02x = 8,274,583,734.49
  5. Step 5: Solve for x
    x = 8,274,583,734.49/104,904.02
  6. Step 6: Final answer
    x = 78,877.66

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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.