Home / 149,189.26-205,875.12-85,482.76

Finding the Fourth Proportional to 149,189.26, 205,875.12 and 85,482.76

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Solution

The fourth proportional to 149,189.26, 205,875.12 and 85,482.76 is: 117,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,189.26 : 205,875.12 = 85,482.76 : x
  2. Step 2: Convert to fraction form
    149,189.26/205,875.12 = 85,482.76/x
  3. Step 3: Cross multiply
    149,189.26x = 205,875.12 × 85,482.76
  4. Step 4: Simplify right side
    149,189.26x = 17,598,773,472.93
  5. Step 5: Solve for x
    x = 17,598,773,472.93/149,189.26
  6. Step 6: Final answer
    x = 117,962.74

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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.