Home / 144,638.40-199,595.12-84,210.80

Finding the Fourth Proportional to 144,638.40, 199,595.12 and 84,210.80

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Solution

The fourth proportional to 144,638.40, 199,595.12 and 84,210.80 is: 116,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,638.40 : 199,595.12 = 84,210.80 : x
  2. Step 2: Convert to fraction form
    144,638.40/199,595.12 = 84,210.80/x
  3. Step 3: Cross multiply
    144,638.40x = 199,595.12 × 84,210.80
  4. Step 4: Simplify right side
    144,638.40x = 16,808,064,731.30
  5. Step 5: Solve for x
    x = 16,808,064,731.30/144,638.40
  6. Step 6: Final answer
    x = 116,207.49

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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.