Home / 212,337.50-293,037.88-121,708.57

Finding the Fourth Proportional to 212,337.50, 293,037.88 and 121,708.57

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Solution

The fourth proportional to 212,337.50, 293,037.88 and 121,708.57 is: 167,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,337.50 : 293,037.88 = 121,708.57 : x
  2. Step 2: Convert to fraction form
    212,337.50/293,037.88 = 121,708.57/x
  3. Step 3: Cross multiply
    212,337.50x = 293,037.88 × 121,708.57
  4. Step 4: Simplify right side
    212,337.50x = 35,665,219,256.90
  5. Step 5: Solve for x
    x = 35,665,219,256.90/212,337.50
  6. Step 6: Final answer
    x = 167,964.77

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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.