Home / 145,551.02-218,408.34-56,810.66

Finding the Fourth Proportional to 145,551.02, 218,408.34 and 56,810.66

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Solution

The fourth proportional to 145,551.02, 218,408.34 and 56,810.66 is: 85,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,551.02 : 218,408.34 = 56,810.66 : x
  2. Step 2: Convert to fraction form
    145,551.02/218,408.34 = 56,810.66/x
  3. Step 3: Cross multiply
    145,551.02x = 218,408.34 × 56,810.66
  4. Step 4: Simplify right side
    145,551.02x = 12,407,921,944.90
  5. Step 5: Solve for x
    x = 12,407,921,944.90/145,551.02
  6. Step 6: Final answer
    x = 85,247.92

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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.