Home / 135,547.12-187,046.52-75,114.23

Finding the Fourth Proportional to 135,547.12, 187,046.52 and 75,114.23

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Solution

The fourth proportional to 135,547.12, 187,046.52 and 75,114.23 is: 103,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,547.12 : 187,046.52 = 75,114.23 : x
  2. Step 2: Convert to fraction form
    135,547.12/187,046.52 = 75,114.23/x
  3. Step 3: Cross multiply
    135,547.12x = 187,046.52 × 75,114.23
  4. Step 4: Simplify right side
    135,547.12x = 14,049,855,323.98
  5. Step 5: Solve for x
    x = 14,049,855,323.98/135,547.12
  6. Step 6: Final answer
    x = 103,652.93

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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.