Home / 155,453.31-214,506.29-98,070.89

Finding the Fourth Proportional to 155,453.31, 214,506.29 and 98,070.89

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Solution

The fourth proportional to 155,453.31, 214,506.29 and 98,070.89 is: 135,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,453.31 : 214,506.29 = 98,070.89 : x
  2. Step 2: Convert to fraction form
    155,453.31/214,506.29 = 98,070.89/x
  3. Step 3: Cross multiply
    155,453.31x = 214,506.29 × 98,070.89
  4. Step 4: Simplify right side
    155,453.31x = 21,036,822,012.41
  5. Step 5: Solve for x
    x = 21,036,822,012.41/155,453.31
  6. Step 6: Final answer
    x = 135,325.66

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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.