Home / 136,391.04-188,219.43-75,966.93

Finding the Fourth Proportional to 136,391.04, 188,219.43 and 75,966.93

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Solution

The fourth proportional to 136,391.04, 188,219.43 and 75,966.93 is: 104,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,391.04 : 188,219.43 = 75,966.93 : x
  2. Step 2: Convert to fraction form
    136,391.04/188,219.43 = 75,966.93/x
  3. Step 3: Cross multiply
    136,391.04x = 188,219.43 × 75,966.93
  4. Step 4: Simplify right side
    136,391.04x = 14,298,452,263.45
  5. Step 5: Solve for x
    x = 14,298,452,263.45/136,391.04
  6. Step 6: Final answer
    x = 104,834.25

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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.