Home / 210,690.64-316,050.54-70,431.04

Finding the Fourth Proportional to 210,690.64, 316,050.54 and 70,431.04

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Solution

The fourth proportional to 210,690.64, 316,050.54 and 70,431.04 is: 105,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,690.64 : 316,050.54 = 70,431.04 : x
  2. Step 2: Convert to fraction form
    210,690.64/316,050.54 = 70,431.04/x
  3. Step 3: Cross multiply
    210,690.64x = 316,050.54 × 70,431.04
  4. Step 4: Simplify right side
    210,690.64x = 22,259,768,224.76
  5. Step 5: Solve for x
    x = 22,259,768,224.76/210,690.64
  6. Step 6: Final answer
    x = 105,651.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.