Home / 147,535.86-203,534.46-90,980.04

Finding the Fourth Proportional to 147,535.86, 203,534.46 and 90,980.04

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Solution

The fourth proportional to 147,535.86, 203,534.46 and 90,980.04 is: 125,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,535.86 : 203,534.46 = 90,980.04 : x
  2. Step 2: Convert to fraction form
    147,535.86/203,534.46 = 90,980.04/x
  3. Step 3: Cross multiply
    147,535.86x = 203,534.46 × 90,980.04
  4. Step 4: Simplify right side
    147,535.86x = 18,517,573,312.18
  5. Step 5: Solve for x
    x = 18,517,573,312.18/147,535.86
  6. Step 6: Final answer
    x = 125,512.36

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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.