Home / 130,114.60-179,486.41-89,849.50

Finding the Fourth Proportional to 130,114.60, 179,486.41 and 89,849.50

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Solution

The fourth proportional to 130,114.60, 179,486.41 and 89,849.50 is: 123,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,114.60 : 179,486.41 = 89,849.50 : x
  2. Step 2: Convert to fraction form
    130,114.60/179,486.41 = 89,849.50/x
  3. Step 3: Cross multiply
    130,114.60x = 179,486.41 × 89,849.50
  4. Step 4: Simplify right side
    130,114.60x = 16,126,763,073.24
  5. Step 5: Solve for x
    x = 16,126,763,073.24/130,114.60
  6. Step 6: Final answer
    x = 123,942.77

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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.