Home / 88,719.48-122,218.56-75,931.62

Finding the Fourth Proportional to 88,719.48, 122,218.56 and 75,931.62

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Solution

The fourth proportional to 88,719.48, 122,218.56 and 75,931.62 is: 104,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,719.48 : 122,218.56 = 75,931.62 : x
  2. Step 2: Convert to fraction form
    88,719.48/122,218.56 = 75,931.62/x
  3. Step 3: Cross multiply
    88,719.48x = 122,218.56 × 75,931.62
  4. Step 4: Simplify right side
    88,719.48x = 9,280,253,254.87
  5. Step 5: Solve for x
    x = 9,280,253,254.87/88,719.48
  6. Step 6: Final answer
    x = 104,602.21

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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.