Home / 145,703.16-218,555.10-40,522.14

Finding the Fourth Proportional to 145,703.16, 218,555.10 and 40,522.14

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Solution

The fourth proportional to 145,703.16, 218,555.10 and 40,522.14 is: 60,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,703.16 : 218,555.10 = 40,522.14 : x
  2. Step 2: Convert to fraction form
    145,703.16/218,555.10 = 40,522.14/x
  3. Step 3: Cross multiply
    145,703.16x = 218,555.10 × 40,522.14
  4. Step 4: Simplify right side
    145,703.16x = 8,856,320,359.91
  5. Step 5: Solve for x
    x = 8,856,320,359.91/145,703.16
  6. Step 6: Final answer
    x = 60,783.31

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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.