Home / 127,142.92-175,457.91-70,554.30

Finding the Fourth Proportional to 127,142.92, 175,457.91 and 70,554.30

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Solution

The fourth proportional to 127,142.92, 175,457.91 and 70,554.30 is: 97,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,142.92 : 175,457.91 = 70,554.30 : x
  2. Step 2: Convert to fraction form
    127,142.92/175,457.91 = 70,554.30/x
  3. Step 3: Cross multiply
    127,142.92x = 175,457.91 × 70,554.30
  4. Step 4: Simplify right side
    127,142.92x = 12,379,310,019.51
  5. Step 5: Solve for x
    x = 12,379,310,019.51/127,142.92
  6. Step 6: Final answer
    x = 97,365.31

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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.