Home / 135,423.04-186,883.32-75,807.04

Finding the Fourth Proportional to 135,423.04, 186,883.32 and 75,807.04

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Solution

The fourth proportional to 135,423.04, 186,883.32 and 75,807.04 is: 104,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,423.04 : 186,883.32 = 75,807.04 : x
  2. Step 2: Convert to fraction form
    135,423.04/186,883.32 = 75,807.04/x
  3. Step 3: Cross multiply
    135,423.04x = 186,883.32 × 75,807.04
  4. Step 4: Simplify right side
    135,423.04x = 14,167,071,314.57
  5. Step 5: Solve for x
    x = 14,167,071,314.57/135,423.04
  6. Step 6: Final answer
    x = 104,613.45

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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.