Home / 210,205.64-289,590.90-146,428.04

Finding the Fourth Proportional to 210,205.64, 289,590.90 and 146,428.04

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Solution

The fourth proportional to 210,205.64, 289,590.90 and 146,428.04 is: 201,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,205.64 : 289,590.90 = 146,428.04 : x
  2. Step 2: Convert to fraction form
    210,205.64/289,590.90 = 146,428.04/x
  3. Step 3: Cross multiply
    210,205.64x = 289,590.90 × 146,428.04
  4. Step 4: Simplify right side
    210,205.64x = 42,404,227,888.84
  5. Step 5: Solve for x
    x = 42,404,227,888.84/210,205.64
  6. Step 6: Final answer
    x = 201,727.36

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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.