Home / 115,381.02-159,241.50-67,653.39

Finding the Fourth Proportional to 115,381.02, 159,241.50 and 67,653.39

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Solution

The fourth proportional to 115,381.02, 159,241.50 and 67,653.39 is: 93,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,381.02 : 159,241.50 = 67,653.39 : x
  2. Step 2: Convert to fraction form
    115,381.02/159,241.50 = 67,653.39/x
  3. Step 3: Cross multiply
    115,381.02x = 159,241.50 × 67,653.39
  4. Step 4: Simplify right side
    115,381.02x = 10,773,227,303.69
  5. Step 5: Solve for x
    x = 10,773,227,303.69/115,381.02
  6. Step 6: Final answer
    x = 93,370.88

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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.