Home / 143,931.31-215,903.45-44,084.23

Finding the Fourth Proportional to 143,931.31, 215,903.45 and 44,084.23

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Solution

The fourth proportional to 143,931.31, 215,903.45 and 44,084.23 is: 66,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,931.31 : 215,903.45 = 44,084.23 : x
  2. Step 2: Convert to fraction form
    143,931.31/215,903.45 = 44,084.23/x
  3. Step 3: Cross multiply
    143,931.31x = 215,903.45 × 44,084.23
  4. Step 4: Simplify right side
    143,931.31x = 9,517,937,347.59
  5. Step 5: Solve for x
    x = 9,517,937,347.59/143,931.31
  6. Step 6: Final answer
    x = 66,128.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.