Home / 157,130.07-216,844.42-89,149.91

Finding the Fourth Proportional to 157,130.07, 216,844.42 and 89,149.91

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Solution

The fourth proportional to 157,130.07, 216,844.42 and 89,149.91 is: 123,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,130.07 : 216,844.42 = 89,149.91 : x
  2. Step 2: Convert to fraction form
    157,130.07/216,844.42 = 89,149.91/x
  3. Step 3: Cross multiply
    157,130.07x = 216,844.42 × 89,149.91
  4. Step 4: Simplify right side
    157,130.07x = 19,331,660,356.08
  5. Step 5: Solve for x
    x = 19,331,660,356.08/157,130.07
  6. Step 6: Final answer
    x = 123,029.67

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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.