Home / 104,463.02-144,157.48-56,718.20

Finding the Fourth Proportional to 104,463.02, 144,157.48 and 56,718.20

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Solution

The fourth proportional to 104,463.02, 144,157.48 and 56,718.20 is: 78,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,463.02 : 144,157.48 = 56,718.20 : x
  2. Step 2: Convert to fraction form
    104,463.02/144,157.48 = 56,718.20/x
  3. Step 3: Cross multiply
    104,463.02x = 144,157.48 × 56,718.20
  4. Step 4: Simplify right side
    104,463.02x = 8,176,351,919.55
  5. Step 5: Solve for x
    x = 8,176,351,919.55/104,463.02
  6. Step 6: Final answer
    x = 78,270.30

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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.