Home / 88,561.02-122,214.78-52,752.54

Finding the Fourth Proportional to 88,561.02, 122,214.78 and 52,752.54

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Solution

The fourth proportional to 88,561.02, 122,214.78 and 52,752.54 is: 72,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,561.02 : 122,214.78 = 52,752.54 : x
  2. Step 2: Convert to fraction form
    88,561.02/122,214.78 = 52,752.54/x
  3. Step 3: Cross multiply
    88,561.02x = 122,214.78 × 52,752.54
  4. Step 4: Simplify right side
    88,561.02x = 6,447,140,070.54
  5. Step 5: Solve for x
    x = 6,447,140,070.54/88,561.02
  6. Step 6: Final answer
    x = 72,798.85

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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.