Home / 157,182.42-216,498.54-120,814.32

Finding the Fourth Proportional to 157,182.42, 216,498.54 and 120,814.32

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Solution

The fourth proportional to 157,182.42, 216,498.54 and 120,814.32 is: 166,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,182.42 : 216,498.54 = 120,814.32 : x
  2. Step 2: Convert to fraction form
    157,182.42/216,498.54 = 120,814.32/x
  3. Step 3: Cross multiply
    157,182.42x = 216,498.54 × 120,814.32
  4. Step 4: Simplify right side
    157,182.42x = 26,156,123,891.09
  5. Step 5: Solve for x
    x = 26,156,123,891.09/157,182.42
  6. Step 6: Final answer
    x = 166,406.17

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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.