Home / 151,250.29-208,730.32-83,274.21

Finding the Fourth Proportional to 151,250.29, 208,730.32 and 83,274.21

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Solution

The fourth proportional to 151,250.29, 208,730.32 and 83,274.21 is: 114,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,250.29 : 208,730.32 = 83,274.21 : x
  2. Step 2: Convert to fraction form
    151,250.29/208,730.32 = 83,274.21/x
  3. Step 3: Cross multiply
    151,250.29x = 208,730.32 × 83,274.21
  4. Step 4: Simplify right side
    151,250.29x = 17,381,852,292.86
  5. Step 5: Solve for x
    x = 17,381,852,292.86/151,250.29
  6. Step 6: Final answer
    x = 114,921.12

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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.