Home / 130,263.84-179,799.45-76,566.09

Finding the Fourth Proportional to 130,263.84, 179,799.45 and 76,566.09

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Solution

The fourth proportional to 130,263.84, 179,799.45 and 76,566.09 is: 105,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,263.84 : 179,799.45 = 76,566.09 : x
  2. Step 2: Convert to fraction form
    130,263.84/179,799.45 = 76,566.09/x
  3. Step 3: Cross multiply
    130,263.84x = 179,799.45 × 76,566.09
  4. Step 4: Simplify right side
    130,263.84x = 13,766,540,870.65
  5. Step 5: Solve for x
    x = 13,766,540,870.65/130,263.84
  6. Step 6: Final answer
    x = 105,681.98

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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.