Home / 210,008.10-314,885.47-83,667.84

Finding the Fourth Proportional to 210,008.10, 314,885.47 and 83,667.84

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Solution

The fourth proportional to 210,008.10, 314,885.47 and 83,667.84 is: 125,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,008.10 : 314,885.47 = 83,667.84 : x
  2. Step 2: Convert to fraction form
    210,008.10/314,885.47 = 83,667.84/x
  3. Step 3: Cross multiply
    210,008.10x = 314,885.47 × 83,667.84
  4. Step 4: Simplify right side
    210,008.10x = 26,345,787,122.28
  5. Step 5: Solve for x
    x = 26,345,787,122.28/210,008.10
  6. Step 6: Final answer
    x = 125,451.29

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1.5x scale

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.