Home / 215,628.12-297,570.06-123,762.60

Finding the Fourth Proportional to 215,628.12, 297,570.06 and 123,762.60

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Solution

The fourth proportional to 215,628.12, 297,570.06 and 123,762.60 is: 170,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,628.12 : 297,570.06 = 123,762.60 : x
  2. Step 2: Convert to fraction form
    215,628.12/297,570.06 = 123,762.60/x
  3. Step 3: Cross multiply
    215,628.12x = 297,570.06 × 123,762.60
  4. Step 4: Simplify right side
    215,628.12x = 36,828,044,307.76
  5. Step 5: Solve for x
    x = 36,828,044,307.76/215,628.12
  6. Step 6: Final answer
    x = 170,794.26

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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.