Home / 145,269.95-217,917.45-40,088.90

Finding the Fourth Proportional to 145,269.95, 217,917.45 and 40,088.90

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Solution

The fourth proportional to 145,269.95, 217,917.45 and 40,088.90 is: 60,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,269.95 : 217,917.45 = 40,088.90 : x
  2. Step 2: Convert to fraction form
    145,269.95/217,917.45 = 40,088.90/x
  3. Step 3: Cross multiply
    145,269.95x = 217,917.45 × 40,088.90
  4. Step 4: Simplify right side
    145,269.95x = 8,736,069,771.72
  5. Step 5: Solve for x
    x = 8,736,069,771.72/145,269.95
  6. Step 6: Final answer
    x = 60,136.80

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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.