Home / 125,840.81-173,621.22-71,384.00

Finding the Fourth Proportional to 125,840.81, 173,621.22 and 71,384.00

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Solution

The fourth proportional to 125,840.81, 173,621.22 and 71,384.00 is: 98,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,840.81 : 173,621.22 = 71,384.00 : x
  2. Step 2: Convert to fraction form
    125,840.81/173,621.22 = 71,384.00/x
  3. Step 3: Cross multiply
    125,840.81x = 173,621.22 × 71,384.00
  4. Step 4: Simplify right side
    125,840.81x = 12,393,776,300.37
  5. Step 5: Solve for x
    x = 12,393,776,300.37/125,840.81
  6. Step 6: Final answer
    x = 98,487.74

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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.