Home / 144,865.40-217,298.10-39,684.20

Finding the Fourth Proportional to 144,865.40, 217,298.10 and 39,684.20

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Solution

The fourth proportional to 144,865.40, 217,298.10 and 39,684.20 is: 59,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,865.40 : 217,298.10 = 39,684.20 : x
  2. Step 2: Convert to fraction form
    144,865.40/217,298.10 = 39,684.20/x
  3. Step 3: Cross multiply
    144,865.40x = 217,298.10 × 39,684.20
  4. Step 4: Simplify right side
    144,865.40x = 8,623,301,260.02
  5. Step 5: Solve for x
    x = 8,623,301,260.02/144,865.40
  6. Step 6: Final answer
    x = 59,526.30

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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.