Home / 117,458.12-162,011.93-74,997.52

Finding the Fourth Proportional to 117,458.12, 162,011.93 and 74,997.52

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Solution

The fourth proportional to 117,458.12, 162,011.93 and 74,997.52 is: 103,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,458.12 : 162,011.93 = 74,997.52 : x
  2. Step 2: Convert to fraction form
    117,458.12/162,011.93 = 74,997.52/x
  3. Step 3: Cross multiply
    117,458.12x = 162,011.93 × 74,997.52
  4. Step 4: Simplify right side
    117,458.12x = 12,150,492,180.40
  5. Step 5: Solve for x
    x = 12,150,492,180.40/117,458.12
  6. Step 6: Final answer
    x = 103,445.31

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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.