Home / 212,434.32-293,157-116,938.92

Finding the Fourth Proportional to 212,434.32, 293,157 and 116,938.92

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Solution

The fourth proportional to 212,434.32, 293,157 and 116,938.92 is: 161,374.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,434.32 : 293,157 = 116,938.92 : x
  2. Step 2: Convert to fraction form
    212,434.32/293,157 = 116,938.92/x
  3. Step 3: Cross multiply
    212,434.32x = 293,157 × 116,938.92
  4. Step 4: Simplify right side
    212,434.32x = 34,281,462,970.44
  5. Step 5: Solve for x
    x = 34,281,462,970.44/212,434.32
  6. Step 6: Final answer
    x = 161,374.41

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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.