Home / 161,070.69-222,271.46-89,455.32

Finding the Fourth Proportional to 161,070.69, 222,271.46 and 89,455.32

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Solution

The fourth proportional to 161,070.69, 222,271.46 and 89,455.32 is: 123,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,070.69 : 222,271.46 = 89,455.32 : x
  2. Step 2: Convert to fraction form
    161,070.69/222,271.46 = 89,455.32/x
  3. Step 3: Cross multiply
    161,070.69x = 222,271.46 × 89,455.32
  4. Step 4: Simplify right side
    161,070.69x = 19,883,364,913.21
  5. Step 5: Solve for x
    x = 19,883,364,913.21/161,070.69
  6. Step 6: Final answer
    x = 123,444.96

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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.