Home / 202,938.96-280,056.10-112,298.74

Finding the Fourth Proportional to 202,938.96, 280,056.10 and 112,298.74

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Solution

The fourth proportional to 202,938.96, 280,056.10 and 112,298.74 is: 154,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,938.96 : 280,056.10 = 112,298.74 : x
  2. Step 2: Convert to fraction form
    202,938.96/280,056.10 = 112,298.74/x
  3. Step 3: Cross multiply
    202,938.96x = 280,056.10 × 112,298.74
  4. Step 4: Simplify right side
    202,938.96x = 31,449,947,159.31
  5. Step 5: Solve for x
    x = 31,449,947,159.31/202,938.96
  6. Step 6: Final answer
    x = 154,972.45

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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.