Home / 130,319.96-179,842.56-76,607.24

Finding the Fourth Proportional to 130,319.96, 179,842.56 and 76,607.24

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Solution

The fourth proportional to 130,319.96, 179,842.56 and 76,607.24 is: 105,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,319.96 : 179,842.56 = 76,607.24 : x
  2. Step 2: Convert to fraction form
    130,319.96/179,842.56 = 76,607.24/x
  3. Step 3: Cross multiply
    130,319.96x = 179,842.56 × 76,607.24
  4. Step 4: Simplify right side
    130,319.96x = 13,777,242,156.13
  5. Step 5: Solve for x
    x = 13,777,242,156.13/130,319.96
  6. Step 6: Final answer
    x = 105,718.59

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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.