Home / 153,250.02-211,486.07-85,269.85

Finding the Fourth Proportional to 153,250.02, 211,486.07 and 85,269.85

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Solution

The fourth proportional to 153,250.02, 211,486.07 and 85,269.85 is: 117,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,250.02 : 211,486.07 = 85,269.85 : x
  2. Step 2: Convert to fraction form
    153,250.02/211,486.07 = 85,269.85/x
  3. Step 3: Cross multiply
    153,250.02x = 211,486.07 × 85,269.85
  4. Step 4: Simplify right side
    153,250.02x = 18,033,385,465.99
  5. Step 5: Solve for x
    x = 18,033,385,465.99/153,250.02
  6. Step 6: Final answer
    x = 117,672.97

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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.