Home / 161,345.24-222,271.05-112,856.63

Finding the Fourth Proportional to 161,345.24, 222,271.05 and 112,856.63

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Solution

The fourth proportional to 161,345.24, 222,271.05 and 112,856.63 is: 155,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,345.24 : 222,271.05 = 112,856.63 : x
  2. Step 2: Convert to fraction form
    161,345.24/222,271.05 = 112,856.63/x
  3. Step 3: Cross multiply
    161,345.24x = 222,271.05 × 112,856.63
  4. Step 4: Simplify right side
    161,345.24x = 25,084,761,769.20
  5. Step 5: Solve for x
    x = 25,084,761,769.20/161,345.24
  6. Step 6: Final answer
    x = 155,472.58

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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.