Home / 110,657.36-152,663.64-68,142.08

Finding the Fourth Proportional to 110,657.36, 152,663.64 and 68,142.08

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Solution

The fourth proportional to 110,657.36, 152,663.64 and 68,142.08 is: 94,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,657.36 : 152,663.64 = 68,142.08 : x
  2. Step 2: Convert to fraction form
    110,657.36/152,663.64 = 68,142.08/x
  3. Step 3: Cross multiply
    110,657.36x = 152,663.64 × 68,142.08
  4. Step 4: Simplify right side
    110,657.36x = 10,402,817,969.97
  5. Step 5: Solve for x
    x = 10,402,817,969.97/110,657.36
  6. Step 6: Final answer
    x = 94,009.27

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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.