Home / 127,143.41-175,463.37-70,554.79

Finding the Fourth Proportional to 127,143.41, 175,463.37 and 70,554.79

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Solution

The fourth proportional to 127,143.41, 175,463.37 and 70,554.79 is: 97,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,143.41 : 175,463.37 = 70,554.79 : x
  2. Step 2: Convert to fraction form
    127,143.41/175,463.37 = 70,554.79/x
  3. Step 3: Cross multiply
    127,143.41x = 175,463.37 × 70,554.79
  4. Step 4: Simplify right side
    127,143.41x = 12,379,780,345.73
  5. Step 5: Solve for x
    x = 12,379,780,345.73/127,143.41
  6. Step 6: Final answer
    x = 97,368.64

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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.