Home / 127,572.76-176,057.31-70,985.35

Finding the Fourth Proportional to 127,572.76, 176,057.31 and 70,985.35

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Solution

The fourth proportional to 127,572.76, 176,057.31 and 70,985.35 is: 97,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,572.76 : 176,057.31 = 70,985.35 : x
  2. Step 2: Convert to fraction form
    127,572.76/176,057.31 = 70,985.35/x
  3. Step 3: Cross multiply
    127,572.76x = 176,057.31 × 70,985.35
  4. Step 4: Simplify right side
    127,572.76x = 12,497,489,770.41
  5. Step 5: Solve for x
    x = 12,497,489,770.41/127,572.76
  6. Step 6: Final answer
    x = 97,963.62

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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.