Home / 127,726.88-176,261.54-70,365.06

Finding the Fourth Proportional to 127,726.88, 176,261.54 and 70,365.06

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Solution

The fourth proportional to 127,726.88, 176,261.54 and 70,365.06 is: 97,102.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,726.88 : 176,261.54 = 70,365.06 : x
  2. Step 2: Convert to fraction form
    127,726.88/176,261.54 = 70,365.06/x
  3. Step 3: Cross multiply
    127,726.88x = 176,261.54 × 70,365.06
  4. Step 4: Simplify right side
    127,726.88x = 12,402,653,485.97
  5. Step 5: Solve for x
    x = 12,402,653,485.97/127,726.88
  6. Step 6: Final answer
    x = 97,102.93

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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.