Home / 210,795.17-290,815.63-134,300.57

Finding the Fourth Proportional to 210,795.17, 290,815.63 and 134,300.57

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Solution

The fourth proportional to 210,795.17, 290,815.63 and 134,300.57 is: 185,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,795.17 : 290,815.63 = 134,300.57 : x
  2. Step 2: Convert to fraction form
    210,795.17/290,815.63 = 134,300.57/x
  3. Step 3: Cross multiply
    210,795.17x = 290,815.63 × 134,300.57
  4. Step 4: Simplify right side
    210,795.17x = 39,056,704,873.91
  5. Step 5: Solve for x
    x = 39,056,704,873.91/210,795.17
  6. Step 6: Final answer
    x = 185,282.73

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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.