Home / 127,869.60-191,804.40-72,573.60

Finding the Fourth Proportional to 127,869.60, 191,804.40 and 72,573.60

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Solution

The fourth proportional to 127,869.60, 191,804.40 and 72,573.60 is: 108,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,869.60 : 191,804.40 = 72,573.60 : x
  2. Step 2: Convert to fraction form
    127,869.60/191,804.40 = 72,573.60/x
  3. Step 3: Cross multiply
    127,869.60x = 191,804.40 × 72,573.60
  4. Step 4: Simplify right side
    127,869.60x = 13,919,935,803.84
  5. Step 5: Solve for x
    x = 13,919,935,803.84/127,869.60
  6. Step 6: Final answer
    x = 108,860.40

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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.