Home / 109,064.76-163,530.16-42,427.23

Finding the Fourth Proportional to 109,064.76, 163,530.16 and 42,427.23

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Solution

The fourth proportional to 109,064.76, 163,530.16 and 42,427.23 is: 63,614.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,064.76 : 163,530.16 = 42,427.23 : x
  2. Step 2: Convert to fraction form
    109,064.76/163,530.16 = 42,427.23/x
  3. Step 3: Cross multiply
    109,064.76x = 163,530.16 × 42,427.23
  4. Step 4: Simplify right side
    109,064.76x = 6,938,130,990.95
  5. Step 5: Solve for x
    x = 6,938,130,990.95/109,064.76
  6. Step 6: Final answer
    x = 63,614.78

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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.