Home / 212,228.64-318,050.64-107,117.28

Finding the Fourth Proportional to 212,228.64, 318,050.64 and 107,117.28

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Solution

The fourth proportional to 212,228.64, 318,050.64 and 107,117.28 is: 160,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,228.64 : 318,050.64 = 107,117.28 : x
  2. Step 2: Convert to fraction form
    212,228.64/318,050.64 = 107,117.28/x
  3. Step 3: Cross multiply
    212,228.64x = 318,050.64 × 107,117.28
  4. Step 4: Simplify right side
    212,228.64x = 34,068,719,459.06
  5. Step 5: Solve for x
    x = 34,068,719,459.06/212,228.64
  6. Step 6: Final answer
    x = 160,528.38

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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.