Home / 211,919.60-292,455.84-116,428.40

Finding the Fourth Proportional to 211,919.60, 292,455.84 and 116,428.40

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Solution

The fourth proportional to 211,919.60, 292,455.84 and 116,428.40 is: 160,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,919.60 : 292,455.84 = 116,428.40 : x
  2. Step 2: Convert to fraction form
    211,919.60/292,455.84 = 116,428.40/x
  3. Step 3: Cross multiply
    211,919.60x = 292,455.84 × 116,428.40
  4. Step 4: Simplify right side
    211,919.60x = 34,050,165,521.86
  5. Step 5: Solve for x
    x = 34,050,165,521.86/211,919.60
  6. Step 6: Final answer
    x = 160,674.92

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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.