Home / 105,796.04-146,003.10-63,346.46

Finding the Fourth Proportional to 105,796.04, 146,003.10 and 63,346.46

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Solution

The fourth proportional to 105,796.04, 146,003.10 and 63,346.46 is: 87,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,796.04 : 146,003.10 = 63,346.46 : x
  2. Step 2: Convert to fraction form
    105,796.04/146,003.10 = 63,346.46/x
  3. Step 3: Cross multiply
    105,796.04x = 146,003.10 × 63,346.46
  4. Step 4: Simplify right side
    105,796.04x = 9,248,779,534.03
  5. Step 5: Solve for x
    x = 9,248,779,534.03/105,796.04
  6. Step 6: Final answer
    x = 87,420.85

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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.