Home / 210,206.64-289,592.28-146,429.04

Finding the Fourth Proportional to 210,206.64, 289,592.28 and 146,429.04

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Solution

The fourth proportional to 210,206.64, 289,592.28 and 146,429.04 is: 201,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,206.64 : 289,592.28 = 146,429.04 : x
  2. Step 2: Convert to fraction form
    210,206.64/289,592.28 = 146,429.04/x
  3. Step 3: Cross multiply
    210,206.64x = 289,592.28 × 146,429.04
  4. Step 4: Simplify right side
    210,206.64x = 42,404,719,551.81
  5. Step 5: Solve for x
    x = 42,404,719,551.81/210,206.64
  6. Step 6: Final answer
    x = 201,728.73

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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.