Home / 212,711.40-293,535.90-115,913.16

Finding the Fourth Proportional to 212,711.40, 293,535.90 and 115,913.16

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Solution

The fourth proportional to 212,711.40, 293,535.90 and 115,913.16 is: 159,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,711.40 : 293,535.90 = 115,913.16 : x
  2. Step 2: Convert to fraction form
    212,711.40/293,535.90 = 115,913.16/x
  3. Step 3: Cross multiply
    212,711.40x = 293,535.90 × 115,913.16
  4. Step 4: Simplify right side
    212,711.40x = 34,024,673,742.44
  5. Step 5: Solve for x
    x = 34,024,673,742.44/212,711.40
  6. Step 6: Final answer
    x = 159,956.98

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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.