Home / 150,131.34-207,176.67-89,688.33

Finding the Fourth Proportional to 150,131.34, 207,176.67 and 89,688.33

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Solution

The fourth proportional to 150,131.34, 207,176.67 and 89,688.33 is: 123,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,131.34 : 207,176.67 = 89,688.33 : x
  2. Step 2: Convert to fraction form
    150,131.34/207,176.67 = 89,688.33/x
  3. Step 3: Cross multiply
    150,131.34x = 207,176.67 × 89,688.33
  4. Step 4: Simplify right side
    150,131.34x = 18,581,329,547.26
  5. Step 5: Solve for x
    x = 18,581,329,547.26/150,131.34
  6. Step 6: Final answer
    x = 123,767.16

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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.