Home / 104,365.02-144,023.79-56,618.37

Finding the Fourth Proportional to 104,365.02, 144,023.79 and 56,618.37

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Solution

The fourth proportional to 104,365.02, 144,023.79 and 56,618.37 is: 78,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,365.02 : 144,023.79 = 56,618.37 : x
  2. Step 2: Convert to fraction form
    104,365.02/144,023.79 = 56,618.37/x
  3. Step 3: Cross multiply
    104,365.02x = 144,023.79 × 56,618.37
  4. Step 4: Simplify right side
    104,365.02x = 8,154,391,719.80
  5. Step 5: Solve for x
    x = 8,154,391,719.80/104,365.02
  6. Step 6: Final answer
    x = 78,133.38

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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.