Home / 130,953.25-180,706.98-77,225.95

Finding the Fourth Proportional to 130,953.25, 180,706.98 and 77,225.95

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Solution

The fourth proportional to 130,953.25, 180,706.98 and 77,225.95 is: 106,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,953.25 : 180,706.98 = 77,225.95 : x
  2. Step 2: Convert to fraction form
    130,953.25/180,706.98 = 77,225.95/x
  3. Step 3: Cross multiply
    130,953.25x = 180,706.98 × 77,225.95
  4. Step 4: Simplify right side
    130,953.25x = 13,955,268,202.13
  5. Step 5: Solve for x
    x = 13,955,268,202.13/130,953.25
  6. Step 6: Final answer
    x = 106,566.80

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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.