Home / 91,347.36-137,018.96-42,099.36

Finding the Fourth Proportional to 91,347.36, 137,018.96 and 42,099.36

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Solution

The fourth proportional to 91,347.36, 137,018.96 and 42,099.36 is: 63,148.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,347.36 : 137,018.96 = 42,099.36 : x
  2. Step 2: Convert to fraction form
    91,347.36/137,018.96 = 42,099.36/x
  3. Step 3: Cross multiply
    91,347.36x = 137,018.96 × 42,099.36
  4. Step 4: Simplify right side
    91,347.36x = 5,768,410,523.87
  5. Step 5: Solve for x
    x = 5,768,410,523.87/91,347.36
  6. Step 6: Final answer
    x = 63,148.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.