Home / 151,242.21-208,710.57-83,258.63

Finding the Fourth Proportional to 151,242.21, 208,710.57 and 83,258.63

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Solution

The fourth proportional to 151,242.21, 208,710.57 and 83,258.63 is: 114,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,242.21 : 208,710.57 = 83,258.63 : x
  2. Step 2: Convert to fraction form
    151,242.21/208,710.57 = 83,258.63/x
  3. Step 3: Cross multiply
    151,242.21x = 208,710.57 × 83,258.63
  4. Step 4: Simplify right side
    151,242.21x = 17,376,957,350.05
  5. Step 5: Solve for x
    x = 17,376,957,350.05/151,242.21
  6. Step 6: Final answer
    x = 114,894.89

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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.