Home / 127,038.51-175,316.46-69,680.34

Finding the Fourth Proportional to 127,038.51, 175,316.46 and 69,680.34

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Solution

The fourth proportional to 127,038.51, 175,316.46 and 69,680.34 is: 96,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,038.51 : 175,316.46 = 69,680.34 : x
  2. Step 2: Convert to fraction form
    127,038.51/175,316.46 = 69,680.34/x
  3. Step 3: Cross multiply
    127,038.51x = 175,316.46 × 69,680.34
  4. Step 4: Simplify right side
    127,038.51x = 12,216,110,540.40
  5. Step 5: Solve for x
    x = 12,216,110,540.40/127,038.51
  6. Step 6: Final answer
    x = 96,160.69

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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.