Home / 208,119.06-287,204.40-112,625.46

Finding the Fourth Proportional to 208,119.06, 287,204.40 and 112,625.46

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Solution

The fourth proportional to 208,119.06, 287,204.40 and 112,625.46 is: 155,423.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,119.06 : 287,204.40 = 112,625.46 : x
  2. Step 2: Convert to fraction form
    208,119.06/287,204.40 = 112,625.46/x
  3. Step 3: Cross multiply
    208,119.06x = 287,204.40 × 112,625.46
  4. Step 4: Simplify right side
    208,119.06x = 32,346,527,664.02
  5. Step 5: Solve for x
    x = 32,346,527,664.02/208,119.06
  6. Step 6: Final answer
    x = 155,423.19

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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.