Home / 155,271.88-214,240.98-98,766.28

Finding the Fourth Proportional to 155,271.88, 214,240.98 and 98,766.28

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Solution

The fourth proportional to 155,271.88, 214,240.98 and 98,766.28 is: 136,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,271.88 : 214,240.98 = 98,766.28 : x
  2. Step 2: Convert to fraction form
    155,271.88/214,240.98 = 98,766.28/x
  3. Step 3: Cross multiply
    155,271.88x = 214,240.98 × 98,766.28
  4. Step 4: Simplify right side
    155,271.88x = 21,159,784,618.15
  5. Step 5: Solve for x
    x = 21,159,784,618.15/155,271.88
  6. Step 6: Final answer
    x = 136,275.70

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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.