Home / 91,498.04-126,267.91-51,215.52

Finding the Fourth Proportional to 91,498.04, 126,267.91 and 51,215.52

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Solution

The fourth proportional to 91,498.04, 126,267.91 and 51,215.52 is: 70,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,498.04 : 126,267.91 = 51,215.52 : x
  2. Step 2: Convert to fraction form
    91,498.04/126,267.91 = 51,215.52/x
  3. Step 3: Cross multiply
    91,498.04x = 126,267.91 × 51,215.52
  4. Step 4: Simplify right side
    91,498.04x = 6,466,876,669.96
  5. Step 5: Solve for x
    x = 6,466,876,669.96/91,498.04
  6. Step 6: Final answer
    x = 70,677.77

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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.