Home / 147,114.81-203,012.46-83,451.24

Finding the Fourth Proportional to 147,114.81, 203,012.46 and 83,451.24

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Solution

The fourth proportional to 147,114.81, 203,012.46 and 83,451.24 is: 115,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,114.81 : 203,012.46 = 83,451.24 : x
  2. Step 2: Convert to fraction form
    147,114.81/203,012.46 = 83,451.24/x
  3. Step 3: Cross multiply
    147,114.81x = 203,012.46 × 83,451.24
  4. Step 4: Simplify right side
    147,114.81x = 16,941,641,522.45
  5. Step 5: Solve for x
    x = 16,941,641,522.45/147,114.81
  6. Step 6: Final answer
    x = 115,159.32

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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.