Home / 127,855.58-176,443.02-71,260.88

Finding the Fourth Proportional to 127,855.58, 176,443.02 and 71,260.88

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Solution

The fourth proportional to 127,855.58, 176,443.02 and 71,260.88 is: 98,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,855.58 : 176,443.02 = 71,260.88 : x
  2. Step 2: Convert to fraction form
    127,855.58/176,443.02 = 71,260.88/x
  3. Step 3: Cross multiply
    127,855.58x = 176,443.02 × 71,260.88
  4. Step 4: Simplify right side
    127,855.58x = 12,573,484,875.06
  5. Step 5: Solve for x
    x = 12,573,484,875.06/127,855.58
  6. Step 6: Final answer
    x = 98,341.31

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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.