Home / 121,554.04-182,399.10-51,485.80

Finding the Fourth Proportional to 121,554.04, 182,399.10 and 51,485.80

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Solution

The fourth proportional to 121,554.04, 182,399.10 and 51,485.80 is: 77,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,554.04 : 182,399.10 = 51,485.80 : x
  2. Step 2: Convert to fraction form
    121,554.04/182,399.10 = 51,485.80/x
  3. Step 3: Cross multiply
    121,554.04x = 182,399.10 × 51,485.80
  4. Step 4: Simplify right side
    121,554.04x = 9,390,963,582.78
  5. Step 5: Solve for x
    x = 9,390,963,582.78/121,554.04
  6. Step 6: Final answer
    x = 77,257.52

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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.