Home / 130,248.60-179,750.64-72,887.44

Finding the Fourth Proportional to 130,248.60, 179,750.64 and 72,887.44

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Solution

The fourth proportional to 130,248.60, 179,750.64 and 72,887.44 is: 100,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,248.60 : 179,750.64 = 72,887.44 : x
  2. Step 2: Convert to fraction form
    130,248.60/179,750.64 = 72,887.44/x
  3. Step 3: Cross multiply
    130,248.60x = 179,750.64 × 72,887.44
  4. Step 4: Simplify right side
    130,248.60x = 13,101,563,987.96
  5. Step 5: Solve for x
    x = 13,101,563,987.96/130,248.60
  6. Step 6: Final answer
    x = 100,588.90

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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.