Home / 110,259.60-152,094.02-80,009.76

Finding the Fourth Proportional to 110,259.60, 152,094.02 and 80,009.76

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Solution

The fourth proportional to 110,259.60, 152,094.02 and 80,009.76 is: 110,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,259.60 : 152,094.02 = 80,009.76 : x
  2. Step 2: Convert to fraction form
    110,259.60/152,094.02 = 80,009.76/x
  3. Step 3: Cross multiply
    110,259.60x = 152,094.02 × 80,009.76
  4. Step 4: Simplify right side
    110,259.60x = 12,169,006,037.64
  5. Step 5: Solve for x
    x = 12,169,006,037.64/110,259.60
  6. Step 6: Final answer
    x = 110,366.86

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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.