Home / 130,699.84-196,114.56-51,812.32

Finding the Fourth Proportional to 130,699.84, 196,114.56 and 51,812.32

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Solution

The fourth proportional to 130,699.84, 196,114.56 and 51,812.32 is: 77,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,699.84 : 196,114.56 = 51,812.32 : x
  2. Step 2: Convert to fraction form
    130,699.84/196,114.56 = 51,812.32/x
  3. Step 3: Cross multiply
    130,699.84x = 196,114.56 × 51,812.32
  4. Step 4: Simplify right side
    130,699.84x = 10,161,150,339.38
  5. Step 5: Solve for x
    x = 10,161,150,339.38/130,699.84
  6. Step 6: Final answer
    x = 77,744.17

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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.