Home / 145,526.63-218,289.94-40,345.59

Finding the Fourth Proportional to 145,526.63, 218,289.94 and 40,345.59

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Solution

The fourth proportional to 145,526.63, 218,289.94 and 40,345.59 is: 60,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,526.63 : 218,289.94 = 40,345.59 : x
  2. Step 2: Convert to fraction form
    145,526.63/218,289.94 = 40,345.59/x
  3. Step 3: Cross multiply
    145,526.63x = 218,289.94 × 40,345.59
  4. Step 4: Simplify right side
    145,526.63x = 8,807,037,138.09
  5. Step 5: Solve for x
    x = 8,807,037,138.09/145,526.63
  6. Step 6: Final answer
    x = 60,518.39

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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.