Home / 146,780.64-202,557.29-83,130.74

Finding the Fourth Proportional to 146,780.64, 202,557.29 and 83,130.74

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Solution

The fourth proportional to 146,780.64, 202,557.29 and 83,130.74 is: 114,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,780.64 : 202,557.29 = 83,130.74 : x
  2. Step 2: Convert to fraction form
    146,780.64/202,557.29 = 83,130.74/x
  3. Step 3: Cross multiply
    146,780.64x = 202,557.29 × 83,130.74
  4. Step 4: Simplify right side
    146,780.64x = 16,838,737,410.09
  5. Step 5: Solve for x
    x = 16,838,737,410.09/146,780.64
  6. Step 6: Final answer
    x = 114,720.43

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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.