Home / 247,869.07-342,064.38-134,699.11

Finding the Fourth Proportional to 247,869.07, 342,064.38 and 134,699.11

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Solution

The fourth proportional to 247,869.07, 342,064.38 and 134,699.11 is: 185,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,869.07 : 342,064.38 = 134,699.11 : x
  2. Step 2: Convert to fraction form
    247,869.07/342,064.38 = 134,699.11/x
  3. Step 3: Cross multiply
    247,869.07x = 342,064.38 × 134,699.11
  4. Step 4: Simplify right side
    247,869.07x = 46,075,767,986.25
  5. Step 5: Solve for x
    x = 46,075,767,986.25/247,869.07
  6. Step 6: Final answer
    x = 185,887.52

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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.