Home / 88,259.40-121,656.42-69,106.92

Finding the Fourth Proportional to 88,259.40, 121,656.42 and 69,106.92

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Solution

The fourth proportional to 88,259.40, 121,656.42 and 69,106.92 is: 95,256.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,259.40 : 121,656.42 = 69,106.92 : x
  2. Step 2: Convert to fraction form
    88,259.40/121,656.42 = 69,106.92/x
  3. Step 3: Cross multiply
    88,259.40x = 121,656.42 × 69,106.92
  4. Step 4: Simplify right side
    88,259.40x = 8,407,300,484.43
  5. Step 5: Solve for x
    x = 8,407,300,484.43/88,259.40
  6. Step 6: Final answer
    x = 95,256.71

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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.