Home / 144,588.04-216,857.45-39,382.40

Finding the Fourth Proportional to 144,588.04, 216,857.45 and 39,382.40

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Solution

The fourth proportional to 144,588.04, 216,857.45 and 39,382.40 is: 59,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,588.04 : 216,857.45 = 39,382.40 : x
  2. Step 2: Convert to fraction form
    144,588.04/216,857.45 = 39,382.40/x
  3. Step 3: Cross multiply
    144,588.04x = 216,857.45 × 39,382.40
  4. Step 4: Simplify right side
    144,588.04x = 8,540,367,479.48
  5. Step 5: Solve for x
    x = 8,540,367,479.48/144,588.04
  6. Step 6: Final answer
    x = 59,066.90

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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.