Home / 150,501.53-207,696.08-85,085.15

Finding the Fourth Proportional to 150,501.53, 207,696.08 and 85,085.15

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Solution

The fourth proportional to 150,501.53, 207,696.08 and 85,085.15 is: 117,419.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,501.53 : 207,696.08 = 85,085.15 : x
  2. Step 2: Convert to fraction form
    150,501.53/207,696.08 = 85,085.15/x
  3. Step 3: Cross multiply
    150,501.53x = 207,696.08 × 85,085.15
  4. Step 4: Simplify right side
    150,501.53x = 17,671,851,695.79
  5. Step 5: Solve for x
    x = 17,671,851,695.79/150,501.53
  6. Step 6: Final answer
    x = 117,419.75

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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.