Home / 212,158.14-292,785.75-116,672.10

Finding the Fourth Proportional to 212,158.14, 292,785.75 and 116,672.10

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Solution

The fourth proportional to 212,158.14, 292,785.75 and 116,672.10 is: 161,011.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,158.14 : 292,785.75 = 116,672.10 : x
  2. Step 2: Convert to fraction form
    212,158.14/292,785.75 = 116,672.10/x
  3. Step 3: Cross multiply
    212,158.14x = 292,785.75 × 116,672.10
  4. Step 4: Simplify right side
    212,158.14x = 34,159,928,302.58
  5. Step 5: Solve for x
    x = 34,159,928,302.58/212,158.14
  6. Step 6: Final answer
    x = 161,011.63

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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.