Home / 127,142.91-175,465.43-70,554.29

Finding the Fourth Proportional to 127,142.91, 175,465.43 and 70,554.29

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Solution

The fourth proportional to 127,142.91, 175,465.43 and 70,554.29 is: 97,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,142.91 : 175,465.43 = 70,554.29 : x
  2. Step 2: Convert to fraction form
    127,142.91/175,465.43 = 70,554.29/x
  3. Step 3: Cross multiply
    127,142.91x = 175,465.43 × 70,554.29
  4. Step 4: Simplify right side
    127,142.91x = 12,379,838,132.25
  5. Step 5: Solve for x
    x = 12,379,838,132.25/127,142.91
  6. Step 6: Final answer
    x = 97,369.47

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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.