Home / 87,303.90-130,955.85-31,207.35

Finding the Fourth Proportional to 87,303.90, 130,955.85 and 31,207.35

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Solution

The fourth proportional to 87,303.90, 130,955.85 and 31,207.35 is: 46,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,303.90 : 130,955.85 = 31,207.35 : x
  2. Step 2: Convert to fraction form
    87,303.90/130,955.85 = 31,207.35/x
  3. Step 3: Cross multiply
    87,303.90x = 130,955.85 × 31,207.35
  4. Step 4: Simplify right side
    87,303.90x = 4,086,785,045.50
  5. Step 5: Solve for x
    x = 4,086,785,045.50/87,303.90
  6. Step 6: Final answer
    x = 46,811.03

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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.