Home / 125,019.16-187,606.50-91,225.96

Finding the Fourth Proportional to 125,019.16, 187,606.50 and 91,225.96

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Solution

The fourth proportional to 125,019.16, 187,606.50 and 91,225.96 is: 136,895.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,019.16 : 187,606.50 = 91,225.96 : x
  2. Step 2: Convert to fraction form
    125,019.16/187,606.50 = 91,225.96/x
  3. Step 3: Cross multiply
    125,019.16x = 187,606.50 × 91,225.96
  4. Step 4: Simplify right side
    125,019.16x = 17,114,583,064.74
  5. Step 5: Solve for x
    x = 17,114,583,064.74/125,019.16
  6. Step 6: Final answer
    x = 136,895.68

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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.