Home / 109,218.40-163,827.60-64,822.30

Finding the Fourth Proportional to 109,218.40, 163,827.60 and 64,822.30

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Solution

The fourth proportional to 109,218.40, 163,827.60 and 64,822.30 is: 97,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,218.40 : 163,827.60 = 64,822.30 : x
  2. Step 2: Convert to fraction form
    109,218.40/163,827.60 = 64,822.30/x
  3. Step 3: Cross multiply
    109,218.40x = 163,827.60 × 64,822.30
  4. Step 4: Simplify right side
    109,218.40x = 10,619,681,835.48
  5. Step 5: Solve for x
    x = 10,619,681,835.48/109,218.40
  6. Step 6: Final answer
    x = 97,233.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.