Home / 126,803.04-174,988.12-70,218

Finding the Fourth Proportional to 126,803.04, 174,988.12 and 70,218

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Solution

The fourth proportional to 126,803.04, 174,988.12 and 70,218 is: 96,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,803.04 : 174,988.12 = 70,218 : x
  2. Step 2: Convert to fraction form
    126,803.04/174,988.12 = 70,218/x
  3. Step 3: Cross multiply
    126,803.04x = 174,988.12 × 70,218
  4. Step 4: Simplify right side
    126,803.04x = 12,287,315,810.16
  5. Step 5: Solve for x
    x = 12,287,315,810.16/126,803.04
  6. Step 6: Final answer
    x = 96,900.80

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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.