Home / 135,606.65-187,148.22-75,196.23

Finding the Fourth Proportional to 135,606.65, 187,148.22 and 75,196.23

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Solution

The fourth proportional to 135,606.65, 187,148.22 and 75,196.23 is: 103,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,606.65 : 187,148.22 = 75,196.23 : x
  2. Step 2: Convert to fraction form
    135,606.65/187,148.22 = 75,196.23/x
  3. Step 3: Cross multiply
    135,606.65x = 187,148.22 × 75,196.23
  4. Step 4: Simplify right side
    135,606.65x = 14,072,840,595.21
  5. Step 5: Solve for x
    x = 14,072,840,595.21/135,606.65
  6. Step 6: Final answer
    x = 103,776.92

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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.