Home / 109,582.96-151,253.40-64,267.60

Finding the Fourth Proportional to 109,582.96, 151,253.40 and 64,267.60

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Solution

The fourth proportional to 109,582.96, 151,253.40 and 64,267.60 is: 88,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,582.96 : 151,253.40 = 64,267.60 : x
  2. Step 2: Convert to fraction form
    109,582.96/151,253.40 = 64,267.60/x
  3. Step 3: Cross multiply
    109,582.96x = 151,253.40 × 64,267.60
  4. Step 4: Simplify right side
    109,582.96x = 9,720,693,009.84
  5. Step 5: Solve for x
    x = 9,720,693,009.84/109,582.96
  6. Step 6: Final answer
    x = 88,706.25

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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.