Home / 216,208.72-298,417.80-126,813.52

Finding the Fourth Proportional to 216,208.72, 298,417.80 and 126,813.52

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Solution

The fourth proportional to 216,208.72, 298,417.80 and 126,813.52 is: 175,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,208.72 : 298,417.80 = 126,813.52 : x
  2. Step 2: Convert to fraction form
    216,208.72/298,417.80 = 126,813.52/x
  3. Step 3: Cross multiply
    216,208.72x = 298,417.80 × 126,813.52
  4. Step 4: Simplify right side
    216,208.72x = 37,843,411,648.66
  5. Step 5: Solve for x
    x = 37,843,411,648.66/216,208.72
  6. Step 6: Final answer
    x = 175,031.85

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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.