Home / 157,491.64-217,329.05-89,499.20

Finding the Fourth Proportional to 157,491.64, 217,329.05 and 89,499.20

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Solution

The fourth proportional to 157,491.64, 217,329.05 and 89,499.20 is: 123,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,491.64 : 217,329.05 = 89,499.20 : x
  2. Step 2: Convert to fraction form
    157,491.64/217,329.05 = 89,499.20/x
  3. Step 3: Cross multiply
    157,491.64x = 217,329.05 × 89,499.20
  4. Step 4: Simplify right side
    157,491.64x = 19,450,775,664.26
  5. Step 5: Solve for x
    x = 19,450,775,664.26/157,491.64
  6. Step 6: Final answer
    x = 123,503.55

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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.