Home / 163,802.52-225,478.89-141,216.21

Finding the Fourth Proportional to 163,802.52, 225,478.89 and 141,216.21

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Solution

The fourth proportional to 163,802.52, 225,478.89 and 141,216.21 is: 194,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,802.52 : 225,478.89 = 141,216.21 : x
  2. Step 2: Convert to fraction form
    163,802.52/225,478.89 = 141,216.21/x
  3. Step 3: Cross multiply
    163,802.52x = 225,478.89 × 141,216.21
  4. Step 4: Simplify right side
    163,802.52x = 31,841,274,280.81
  5. Step 5: Solve for x
    x = 31,841,274,280.81/163,802.52
  6. Step 6: Final answer
    x = 194,388.18

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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.