Home / 261,263.48-391,845.96-101,339.10

Finding the Fourth Proportional to 261,263.48, 391,845.96 and 101,339.10

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Solution

The fourth proportional to 261,263.48, 391,845.96 and 101,339.10 is: 151,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,263.48 : 391,845.96 = 101,339.10 : x
  2. Step 2: Convert to fraction form
    261,263.48/391,845.96 = 101,339.10/x
  3. Step 3: Cross multiply
    261,263.48x = 391,845.96 × 101,339.10
  4. Step 4: Simplify right side
    261,263.48x = 39,709,316,925.04
  5. Step 5: Solve for x
    x = 39,709,316,925.04/261,263.48
  6. Step 6: Final answer
    x = 151,989.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.