Home / 150,492.09-207,671.14-85,948.56

Finding the Fourth Proportional to 150,492.09, 207,671.14 and 85,948.56

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Solution

The fourth proportional to 150,492.09, 207,671.14 and 85,948.56 is: 118,604.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,492.09 : 207,671.14 = 85,948.56 : x
  2. Step 2: Convert to fraction form
    150,492.09/207,671.14 = 85,948.56/x
  3. Step 3: Cross multiply
    150,492.09x = 207,671.14 × 85,948.56
  4. Step 4: Simplify right side
    150,492.09x = 17,849,033,968.46
  5. Step 5: Solve for x
    x = 17,849,033,968.46/150,492.09
  6. Step 6: Final answer
    x = 118,604.47

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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.