Home / 84,186.95-116,178.63-45,946.79

Finding the Fourth Proportional to 84,186.95, 116,178.63 and 45,946.79

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Solution

The fourth proportional to 84,186.95, 116,178.63 and 45,946.79 is: 63,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,186.95 : 116,178.63 = 45,946.79 : x
  2. Step 2: Convert to fraction form
    84,186.95/116,178.63 = 45,946.79/x
  3. Step 3: Cross multiply
    84,186.95x = 116,178.63 × 45,946.79
  4. Step 4: Simplify right side
    84,186.95x = 5,338,035,115.10
  5. Step 5: Solve for x
    x = 5,338,035,115.10/84,186.95
  6. Step 6: Final answer
    x = 63,406.92

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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.