Home / 130,026.74-179,449.63-79,035.62

Finding the Fourth Proportional to 130,026.74, 179,449.63 and 79,035.62

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Solution

The fourth proportional to 130,026.74, 179,449.63 and 79,035.62 is: 109,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,026.74 : 179,449.63 = 79,035.62 : x
  2. Step 2: Convert to fraction form
    130,026.74/179,449.63 = 79,035.62/x
  3. Step 3: Cross multiply
    130,026.74x = 179,449.63 × 79,035.62
  4. Step 4: Simplify right side
    130,026.74x = 14,182,911,670.98
  5. Step 5: Solve for x
    x = 14,182,911,670.98/130,026.74
  6. Step 6: Final answer
    x = 109,076.89

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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.