Home / 153,917.46-212,494.50-117,331.74

Finding the Fourth Proportional to 153,917.46, 212,494.50 and 117,331.74

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Solution

The fourth proportional to 153,917.46, 212,494.50 and 117,331.74 is: 161,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,917.46 : 212,494.50 = 117,331.74 : x
  2. Step 2: Convert to fraction form
    153,917.46/212,494.50 = 117,331.74/x
  3. Step 3: Cross multiply
    153,917.46x = 212,494.50 × 117,331.74
  4. Step 4: Simplify right side
    153,917.46x = 24,932,349,425.43
  5. Step 5: Solve for x
    x = 24,932,349,425.43/153,917.46
  6. Step 6: Final answer
    x = 161,985.19

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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.