Home / 151,237.50-208,707.75-84,185.34

Finding the Fourth Proportional to 151,237.50, 208,707.75 and 84,185.34

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Solution

The fourth proportional to 151,237.50, 208,707.75 and 84,185.34 is: 116,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,237.50 : 208,707.75 = 84,185.34 : x
  2. Step 2: Convert to fraction form
    151,237.50/208,707.75 = 84,185.34/x
  3. Step 3: Cross multiply
    151,237.50x = 208,707.75 × 84,185.34
  4. Step 4: Simplify right side
    151,237.50x = 17,570,132,894.39
  5. Step 5: Solve for x
    x = 17,570,132,894.39/151,237.50
  6. Step 6: Final answer
    x = 116,175.77

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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.