Home / 109,635.42-151,300.80-61,897.26

Finding the Fourth Proportional to 109,635.42, 151,300.80 and 61,897.26

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Solution

The fourth proportional to 109,635.42, 151,300.80 and 61,897.26 is: 85,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,635.42 : 151,300.80 = 61,897.26 : x
  2. Step 2: Convert to fraction form
    109,635.42/151,300.80 = 61,897.26/x
  3. Step 3: Cross multiply
    109,635.42x = 151,300.80 × 61,897.26
  4. Step 4: Simplify right side
    109,635.42x = 9,365,104,955.81
  5. Step 5: Solve for x
    x = 9,365,104,955.81/109,635.42
  6. Step 6: Final answer
    x = 85,420.43

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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.