Home / 127,104.32-175,407.21-69,746.10

Finding the Fourth Proportional to 127,104.32, 175,407.21 and 69,746.10

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Solution

The fourth proportional to 127,104.32, 175,407.21 and 69,746.10 is: 96,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104.32 : 175,407.21 = 69,746.10 : x
  2. Step 2: Convert to fraction form
    127,104.32/175,407.21 = 69,746.10/x
  3. Step 3: Cross multiply
    127,104.32x = 175,407.21 × 69,746.10
  4. Step 4: Simplify right side
    127,104.32x = 12,233,968,809.38
  5. Step 5: Solve for x
    x = 12,233,968,809.38/127,104.32
  6. Step 6: Final answer
    x = 96,251.40

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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.