Home / 157,252.83-217,011.49-89,271.81

Finding the Fourth Proportional to 157,252.83, 217,011.49 and 89,271.81

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Solution

The fourth proportional to 157,252.83, 217,011.49 and 89,271.81 is: 123,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,252.83 : 217,011.49 = 89,271.81 : x
  2. Step 2: Convert to fraction form
    157,252.83/217,011.49 = 89,271.81/x
  3. Step 3: Cross multiply
    157,252.83x = 217,011.49 × 89,271.81
  4. Step 4: Simplify right side
    157,252.83x = 19,373,008,503.10
  5. Step 5: Solve for x
    x = 19,373,008,503.10/157,252.83
  6. Step 6: Final answer
    x = 123,196.57

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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.