Home / 151,319.41-208,813.23-83,342.26

Finding the Fourth Proportional to 151,319.41, 208,813.23 and 83,342.26

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Solution

The fourth proportional to 151,319.41, 208,813.23 and 83,342.26 is: 115,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,319.41 : 208,813.23 = 83,342.26 : x
  2. Step 2: Convert to fraction form
    151,319.41/208,813.23 = 83,342.26/x
  3. Step 3: Cross multiply
    151,319.41x = 208,813.23 × 83,342.26
  4. Step 4: Simplify right side
    151,319.41x = 17,402,966,506.10
  5. Step 5: Solve for x
    x = 17,402,966,506.10/151,319.41
  6. Step 6: Final answer
    x = 115,008.16

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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.