Home / 130,684.50-196,026.75-56,812.50

Finding the Fourth Proportional to 130,684.50, 196,026.75 and 56,812.50

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Solution

The fourth proportional to 130,684.50, 196,026.75 and 56,812.50 is: 85,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,684.50 : 196,026.75 = 56,812.50 : x
  2. Step 2: Convert to fraction form
    130,684.50/196,026.75 = 56,812.50/x
  3. Step 3: Cross multiply
    130,684.50x = 196,026.75 × 56,812.50
  4. Step 4: Simplify right side
    130,684.50x = 11,136,769,734.38
  5. Step 5: Solve for x
    x = 11,136,769,734.38/130,684.50
  6. Step 6: Final answer
    x = 85,218.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.