Home / 130,068.63-179,494.67-76,353.63

Finding the Fourth Proportional to 130,068.63, 179,494.67 and 76,353.63

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Solution

The fourth proportional to 130,068.63, 179,494.67 and 76,353.63 is: 105,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,068.63 : 179,494.67 = 76,353.63 : x
  2. Step 2: Convert to fraction form
    130,068.63/179,494.67 = 76,353.63/x
  3. Step 3: Cross multiply
    130,068.63x = 179,494.67 × 76,353.63
  4. Step 4: Simplify right side
    130,068.63x = 13,705,069,238.38
  5. Step 5: Solve for x
    x = 13,705,069,238.38/130,068.63
  6. Step 6: Final answer
    x = 105,367.98

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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.