Home / 126,368.01-189,552.65-51,488.91

Finding the Fourth Proportional to 126,368.01, 189,552.65 and 51,488.91

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Solution

The fourth proportional to 126,368.01, 189,552.65 and 51,488.91 is: 77,233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,368.01 : 189,552.65 = 51,488.91 : x
  2. Step 2: Convert to fraction form
    126,368.01/189,552.65 = 51,488.91/x
  3. Step 3: Cross multiply
    126,368.01x = 189,552.65 × 51,488.91
  4. Step 4: Simplify right side
    126,368.01x = 9,759,859,078.67
  5. Step 5: Solve for x
    x = 9,759,859,078.67/126,368.01
  6. Step 6: Final answer
    x = 77,233.62

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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.