Home / 107,428.88-148,245-59,681.36

Finding the Fourth Proportional to 107,428.88, 148,245 and 59,681.36

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Solution

The fourth proportional to 107,428.88, 148,245 and 59,681.36 is: 82,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,428.88 : 148,245 = 59,681.36 : x
  2. Step 2: Convert to fraction form
    107,428.88/148,245 = 59,681.36/x
  3. Step 3: Cross multiply
    107,428.88x = 148,245 × 59,681.36
  4. Step 4: Simplify right side
    107,428.88x = 8,847,463,213.20
  5. Step 5: Solve for x
    x = 8,847,463,213.20/107,428.88
  6. Step 6: Final answer
    x = 82,356.47

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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.