Home / 107,361.56-148,172.63-64,920.40

Finding the Fourth Proportional to 107,361.56, 148,172.63 and 64,920.40

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Solution

The fourth proportional to 107,361.56, 148,172.63 and 64,920.40 is: 89,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,361.56 : 148,172.63 = 64,920.40 : x
  2. Step 2: Convert to fraction form
    107,361.56/148,172.63 = 64,920.40/x
  3. Step 3: Cross multiply
    107,361.56x = 148,172.63 × 64,920.40
  4. Step 4: Simplify right side
    107,361.56x = 9,619,425,713.62
  5. Step 5: Solve for x
    x = 9,619,425,713.62/107,361.56
  6. Step 6: Final answer
    x = 89,598.41

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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.