Home / 99,381.41-149,070.59-40,175.06

Finding the Fourth Proportional to 99,381.41, 149,070.59 and 40,175.06

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Solution

The fourth proportional to 99,381.41, 149,070.59 and 40,175.06 is: 60,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,381.41 : 149,070.59 = 40,175.06 : x
  2. Step 2: Convert to fraction form
    99,381.41/149,070.59 = 40,175.06/x
  3. Step 3: Cross multiply
    99,381.41x = 149,070.59 × 40,175.06
  4. Step 4: Simplify right side
    99,381.41x = 5,988,920,069.29
  5. Step 5: Solve for x
    x = 5,988,920,069.29/99,381.41
  6. Step 6: Final answer
    x = 60,261.98

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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.