Home / 122,275.20-183,412.80-92,750.70

Finding the Fourth Proportional to 122,275.20, 183,412.80 and 92,750.70

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Solution

The fourth proportional to 122,275.20, 183,412.80 and 92,750.70 is: 139,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,275.20 : 183,412.80 = 92,750.70 : x
  2. Step 2: Convert to fraction form
    122,275.20/183,412.80 = 92,750.70/x
  3. Step 3: Cross multiply
    122,275.20x = 183,412.80 × 92,750.70
  4. Step 4: Simplify right side
    122,275.20x = 17,011,665,588.96
  5. Step 5: Solve for x
    x = 17,011,665,588.96/122,275.20
  6. Step 6: Final answer
    x = 139,126.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.