Home / 88,151.82-121,632.40-52,353.06

Finding the Fourth Proportional to 88,151.82, 121,632.40 and 52,353.06

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Solution

The fourth proportional to 88,151.82, 121,632.40 and 52,353.06 is: 72,237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,151.82 : 121,632.40 = 52,353.06 : x
  2. Step 2: Convert to fraction form
    88,151.82/121,632.40 = 52,353.06/x
  3. Step 3: Cross multiply
    88,151.82x = 121,632.40 × 52,353.06
  4. Step 4: Simplify right side
    88,151.82x = 6,367,828,335.14
  5. Step 5: Solve for x
    x = 6,367,828,335.14/88,151.82
  6. Step 6: Final answer
    x = 72,237.06

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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.