Home / 84,191.04-126,204.64-70,367.04

Finding the Fourth Proportional to 84,191.04, 126,204.64 and 70,367.04

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Solution

The fourth proportional to 84,191.04, 126,204.64 and 70,367.04 is: 105,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,191.04 : 126,204.64 = 70,367.04 : x
  2. Step 2: Convert to fraction form
    84,191.04/126,204.64 = 70,367.04/x
  3. Step 3: Cross multiply
    84,191.04x = 126,204.64 × 70,367.04
  4. Step 4: Simplify right side
    84,191.04x = 8,880,646,951.07
  5. Step 5: Solve for x
    x = 8,880,646,951.07/84,191.04
  6. Step 6: Final answer
    x = 105,482.09

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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.