Home / 161,070.61-222,271.35-89,455.25

Finding the Fourth Proportional to 161,070.61, 222,271.35 and 89,455.25

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Solution

The fourth proportional to 161,070.61, 222,271.35 and 89,455.25 is: 123,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,070.61 : 222,271.35 = 89,455.25 : x
  2. Step 2: Convert to fraction form
    161,070.61/222,271.35 = 89,455.25/x
  3. Step 3: Cross multiply
    161,070.61x = 222,271.35 × 89,455.25
  4. Step 4: Simplify right side
    161,070.61x = 19,883,338,070.73
  5. Step 5: Solve for x
    x = 19,883,338,070.73/161,070.61
  6. Step 6: Final answer
    x = 123,444.85

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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.