Home / 108,601.02-149,869.21-66,159.55

Finding the Fourth Proportional to 108,601.02, 149,869.21 and 66,159.55

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Solution

The fourth proportional to 108,601.02, 149,869.21 and 66,159.55 is: 91,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,601.02 : 149,869.21 = 66,159.55 : x
  2. Step 2: Convert to fraction form
    108,601.02/149,869.21 = 66,159.55/x
  3. Step 3: Cross multiply
    108,601.02x = 149,869.21 × 66,159.55
  4. Step 4: Simplify right side
    108,601.02x = 9,915,279,492.46
  5. Step 5: Solve for x
    x = 9,915,279,492.46/108,601.02
  6. Step 6: Final answer
    x = 91,300.06

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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.