Home / 127,417.80-175,821.30-70,047.66

Finding the Fourth Proportional to 127,417.80, 175,821.30 and 70,047.66

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Solution

The fourth proportional to 127,417.80, 175,821.30 and 70,047.66 is: 96,657.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,417.80 : 175,821.30 = 70,047.66 : x
  2. Step 2: Convert to fraction form
    127,417.80/175,821.30 = 70,047.66/x
  3. Step 3: Cross multiply
    127,417.80x = 175,821.30 × 70,047.66
  4. Step 4: Simplify right side
    127,417.80x = 12,315,870,643.16
  5. Step 5: Solve for x
    x = 12,315,870,643.16/127,417.80
  6. Step 6: Final answer
    x = 96,657.38

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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.