Home / 109,008.70-150,444.47-60,615.45

Finding the Fourth Proportional to 109,008.70, 150,444.47 and 60,615.45

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Solution

The fourth proportional to 109,008.70, 150,444.47 and 60,615.45 is: 83,656.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,008.70 : 150,444.47 = 60,615.45 : x
  2. Step 2: Convert to fraction form
    109,008.70/150,444.47 = 60,615.45/x
  3. Step 3: Cross multiply
    109,008.70x = 150,444.47 × 60,615.45
  4. Step 4: Simplify right side
    109,008.70x = 9,119,259,400.60
  5. Step 5: Solve for x
    x = 9,119,259,400.60/109,008.70
  6. Step 6: Final answer
    x = 83,656.26

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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.