Home / 153,829.32-212,380.56-117,950.40

Finding the Fourth Proportional to 153,829.32, 212,380.56 and 117,950.40

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Solution

The fourth proportional to 153,829.32, 212,380.56 and 117,950.40 is: 162,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,829.32 : 212,380.56 = 117,950.40 : x
  2. Step 2: Convert to fraction form
    153,829.32/212,380.56 = 117,950.40/x
  3. Step 3: Cross multiply
    153,829.32x = 212,380.56 × 117,950.40
  4. Step 4: Simplify right side
    153,829.32x = 25,050,372,004.22
  5. Step 5: Solve for x
    x = 25,050,372,004.22/153,829.32
  6. Step 6: Final answer
    x = 162,845.24

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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.