Home / 212,057.12-292,639.08-116,561.78

Finding the Fourth Proportional to 212,057.12, 292,639.08 and 116,561.78

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Solution

The fourth proportional to 212,057.12, 292,639.08 and 116,561.78 is: 160,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,057.12 : 292,639.08 = 116,561.78 : x
  2. Step 2: Convert to fraction form
    212,057.12/292,639.08 = 116,561.78/x
  3. Step 3: Cross multiply
    212,057.12x = 292,639.08 × 116,561.78
  4. Step 4: Simplify right side
    212,057.12x = 34,110,532,062.36
  5. Step 5: Solve for x
    x = 34,110,532,062.36/212,057.12
  6. Step 6: Final answer
    x = 160,855.40

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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.