Home / 98,922.29-148,531.67-85,636.27

Finding the Fourth Proportional to 98,922.29, 148,531.67 and 85,636.27

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Solution

The fourth proportional to 98,922.29, 148,531.67 and 85,636.27 is: 128,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,922.29 : 148,531.67 = 85,636.27 : x
  2. Step 2: Convert to fraction form
    98,922.29/148,531.67 = 85,636.27/x
  3. Step 3: Cross multiply
    98,922.29x = 148,531.67 × 85,636.27
  4. Step 4: Simplify right side
    98,922.29x = 12,719,697,024.83
  5. Step 5: Solve for x
    x = 12,719,697,024.83/98,922.29
  6. Step 6: Final answer
    x = 128,582.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.