Home / 109,903.40-151,688.79-64,596.02

Finding the Fourth Proportional to 109,903.40, 151,688.79 and 64,596.02

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Solution

The fourth proportional to 109,903.40, 151,688.79 and 64,596.02 is: 89,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,903.40 : 151,688.79 = 64,596.02 : x
  2. Step 2: Convert to fraction form
    109,903.40/151,688.79 = 64,596.02/x
  3. Step 3: Cross multiply
    109,903.40x = 151,688.79 × 64,596.02
  4. Step 4: Simplify right side
    109,903.40x = 9,798,492,112.62
  5. Step 5: Solve for x
    x = 9,798,492,112.62/109,903.40
  6. Step 6: Final answer
    x = 89,155.50

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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.