Home / 155,626.12-214,701.06-99,026.92

Finding the Fourth Proportional to 155,626.12, 214,701.06 and 99,026.92

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Solution

The fourth proportional to 155,626.12, 214,701.06 and 99,026.92 is: 136,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,626.12 : 214,701.06 = 99,026.92 : x
  2. Step 2: Convert to fraction form
    155,626.12/214,701.06 = 99,026.92/x
  3. Step 3: Cross multiply
    155,626.12x = 214,701.06 × 99,026.92
  4. Step 4: Simplify right side
    155,626.12x = 21,261,184,692.54
  5. Step 5: Solve for x
    x = 21,261,184,692.54/155,626.12
  6. Step 6: Final answer
    x = 136,617.07

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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.