Home / 127,412.30-175,813.70-70,042.16

Finding the Fourth Proportional to 127,412.30, 175,813.70 and 70,042.16

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Solution

The fourth proportional to 127,412.30, 175,813.70 and 70,042.16 is: 96,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,412.30 : 175,813.70 = 70,042.16 : x
  2. Step 2: Convert to fraction form
    127,412.30/175,813.70 = 70,042.16/x
  3. Step 3: Cross multiply
    127,412.30x = 175,813.70 × 70,042.16
  4. Step 4: Simplify right side
    127,412.30x = 12,314,371,305.59
  5. Step 5: Solve for x
    x = 12,314,371,305.59/127,412.30
  6. Step 6: Final answer
    x = 96,649.78

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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.