Home / 136,186.40-204,312.33-42,692.15

Finding the Fourth Proportional to 136,186.40, 204,312.33 and 42,692.15

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Solution

The fourth proportional to 136,186.40, 204,312.33 and 42,692.15 is: 64,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,186.40 : 204,312.33 = 42,692.15 : x
  2. Step 2: Convert to fraction form
    136,186.40/204,312.33 = 42,692.15/x
  3. Step 3: Cross multiply
    136,186.40x = 204,312.33 × 42,692.15
  4. Step 4: Simplify right side
    136,186.40x = 8,722,532,639.21
  5. Step 5: Solve for x
    x = 8,722,532,639.21/136,186.40
  6. Step 6: Final answer
    x = 64,048.49

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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.