Home / 144,364.30-216,557.40-39,191.46

Finding the Fourth Proportional to 144,364.30, 216,557.40 and 39,191.46

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Solution

The fourth proportional to 144,364.30, 216,557.40 and 39,191.46 is: 58,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,364.30 : 216,557.40 = 39,191.46 : x
  2. Step 2: Convert to fraction form
    144,364.30/216,557.40 = 39,191.46/x
  3. Step 3: Cross multiply
    144,364.30x = 216,557.40 × 39,191.46
  4. Step 4: Simplify right side
    144,364.30x = 8,487,200,679.80
  5. Step 5: Solve for x
    x = 8,487,200,679.80/144,364.30
  6. Step 6: Final answer
    x = 58,790.16

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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.