Home / 212,790.38-293,652.70-117,300.50

Finding the Fourth Proportional to 212,790.38, 293,652.70 and 117,300.50

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Solution

The fourth proportional to 212,790.38, 293,652.70 and 117,300.50 is: 161,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,790.38 : 293,652.70 = 117,300.50 : x
  2. Step 2: Convert to fraction form
    212,790.38/293,652.70 = 117,300.50/x
  3. Step 3: Cross multiply
    212,790.38x = 293,652.70 × 117,300.50
  4. Step 4: Simplify right side
    212,790.38x = 34,445,608,536.35
  5. Step 5: Solve for x
    x = 34,445,608,536.35/212,790.38
  6. Step 6: Final answer
    x = 161,875.78

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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.