Home / 145,125.90-217,647.36-56,360.40

Finding the Fourth Proportional to 145,125.90, 217,647.36 and 56,360.40

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Solution

The fourth proportional to 145,125.90, 217,647.36 and 56,360.40 is: 84,524.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,125.90 : 217,647.36 = 56,360.40 : x
  2. Step 2: Convert to fraction form
    145,125.90/217,647.36 = 56,360.40/x
  3. Step 3: Cross multiply
    145,125.90x = 217,647.36 × 56,360.40
  4. Step 4: Simplify right side
    145,125.90x = 12,266,692,268.54
  5. Step 5: Solve for x
    x = 12,266,692,268.54/145,125.90
  6. Step 6: Final answer
    x = 84,524.49

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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.