Home / 112,445.02-155,169.03-69,443.74

Finding the Fourth Proportional to 112,445.02, 155,169.03 and 69,443.74

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Solution

The fourth proportional to 112,445.02, 155,169.03 and 69,443.74 is: 95,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,445.02 : 155,169.03 = 69,443.74 : x
  2. Step 2: Convert to fraction form
    112,445.02/155,169.03 = 69,443.74/x
  3. Step 3: Cross multiply
    112,445.02x = 155,169.03 × 69,443.74
  4. Step 4: Simplify right side
    112,445.02x = 10,775,517,775.37
  5. Step 5: Solve for x
    x = 10,775,517,775.37/112,445.02
  6. Step 6: Final answer
    x = 95,829.21

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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.