Home / 155,666.22-214,830.27-88,598.22

Finding the Fourth Proportional to 155,666.22, 214,830.27 and 88,598.22

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Solution

The fourth proportional to 155,666.22, 214,830.27 and 88,598.22 is: 122,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,666.22 : 214,830.27 = 88,598.22 : x
  2. Step 2: Convert to fraction form
    155,666.22/214,830.27 = 88,598.22/x
  3. Step 3: Cross multiply
    155,666.22x = 214,830.27 × 88,598.22
  4. Step 4: Simplify right side
    155,666.22x = 19,033,579,524.12
  5. Step 5: Solve for x
    x = 19,033,579,524.12/155,666.22
  6. Step 6: Final answer
    x = 122,271.74

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1.5x scale

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.