Home / 157,530.90-217,384.00-89,538.44

Finding the Fourth Proportional to 157,530.90, 217,384.00 and 89,538.44

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Solution

The fourth proportional to 157,530.90, 217,384.00 and 89,538.44 is: 123,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,530.90 : 217,384.00 = 89,538.44 : x
  2. Step 2: Convert to fraction form
    157,530.90/217,384.00 = 89,538.44/x
  3. Step 3: Cross multiply
    157,530.90x = 217,384.00 × 89,538.44
  4. Step 4: Simplify right side
    157,530.90x = 19,464,224,045.24
  5. Step 5: Solve for x
    x = 19,464,224,045.24/157,530.90
  6. Step 6: Final answer
    x = 123,558.13

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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.