Home / 105,577.13-145,696.48-57,832.20

Finding the Fourth Proportional to 105,577.13, 145,696.48 and 57,832.20

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Solution

The fourth proportional to 105,577.13, 145,696.48 and 57,832.20 is: 79,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,577.13 : 145,696.48 = 57,832.20 : x
  2. Step 2: Convert to fraction form
    105,577.13/145,696.48 = 57,832.20/x
  3. Step 3: Cross multiply
    105,577.13x = 145,696.48 × 57,832.20
  4. Step 4: Simplify right side
    105,577.13x = 8,425,947,826.08
  5. Step 5: Solve for x
    x = 8,425,947,826.08/105,577.13
  6. Step 6: Final answer
    x = 79,808.45

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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.