Home / 127,783.46-176,342.38-70,424.85

Finding the Fourth Proportional to 127,783.46, 176,342.38 and 70,424.85

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Solution

The fourth proportional to 127,783.46, 176,342.38 and 70,424.85 is: 97,186.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,783.46 : 176,342.38 = 70,424.85 : x
  2. Step 2: Convert to fraction form
    127,783.46/176,342.38 = 70,424.85/x
  3. Step 3: Cross multiply
    127,783.46x = 176,342.38 × 70,424.85
  4. Step 4: Simplify right side
    127,783.46x = 12,418,885,660.14
  5. Step 5: Solve for x
    x = 12,418,885,660.14/127,783.46
  6. Step 6: Final answer
    x = 97,186.96

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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.