Home / 94,140.81-129,909.60-53,298.58

Finding the Fourth Proportional to 94,140.81, 129,909.60 and 53,298.58

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Solution

The fourth proportional to 94,140.81, 129,909.60 and 53,298.58 is: 73,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,140.81 : 129,909.60 = 53,298.58 : x
  2. Step 2: Convert to fraction form
    94,140.81/129,909.60 = 53,298.58/x
  3. Step 3: Cross multiply
    94,140.81x = 129,909.60 × 53,298.58
  4. Step 4: Simplify right side
    94,140.81x = 6,923,997,208.37
  5. Step 5: Solve for x
    x = 6,923,997,208.37/94,140.81
  6. Step 6: Final answer
    x = 73,549.37

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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.