Home / 101,618.24-152,427.40-42,421.64

Finding the Fourth Proportional to 101,618.24, 152,427.40 and 42,421.64

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Solution

The fourth proportional to 101,618.24, 152,427.40 and 42,421.64 is: 63,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,618.24 : 152,427.40 = 42,421.64 : x
  2. Step 2: Convert to fraction form
    101,618.24/152,427.40 = 42,421.64/x
  3. Step 3: Cross multiply
    101,618.24x = 152,427.40 × 42,421.64
  4. Step 4: Simplify right side
    101,618.24x = 6,466,220,288.94
  5. Step 5: Solve for x
    x = 6,466,220,288.94/101,618.24
  6. Step 6: Final answer
    x = 63,632.48

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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.