Home / 151,358.90-208,876.72-83,376.18

Finding the Fourth Proportional to 151,358.90, 208,876.72 and 83,376.18

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Solution

The fourth proportional to 151,358.90, 208,876.72 and 83,376.18 is: 115,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,358.90 : 208,876.72 = 83,376.18 : x
  2. Step 2: Convert to fraction form
    151,358.90/208,876.72 = 83,376.18/x
  3. Step 3: Cross multiply
    151,358.90x = 208,876.72 × 83,376.18
  4. Step 4: Simplify right side
    151,358.90x = 17,415,343,004.53
  5. Step 5: Solve for x
    x = 17,415,343,004.53/151,358.90
  6. Step 6: Final answer
    x = 115,059.92

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1.5x scale

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.