Home / 147,389.52-203,430.28-93,664

Finding the Fourth Proportional to 147,389.52, 203,430.28 and 93,664

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Solution

The fourth proportional to 147,389.52, 203,430.28 and 93,664 is: 129,277.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,389.52 : 203,430.28 = 93,664 : x
  2. Step 2: Convert to fraction form
    147,389.52/203,430.28 = 93,664/x
  3. Step 3: Cross multiply
    147,389.52x = 203,430.28 × 93,664
  4. Step 4: Simplify right side
    147,389.52x = 19,054,093,745.92
  5. Step 5: Solve for x
    x = 19,054,093,745.92/147,389.52
  6. Step 6: Final answer
    x = 129,277.13

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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.