Home / 145,531.96-218,297.74-45,699.92

Finding the Fourth Proportional to 145,531.96, 218,297.74 and 45,699.92

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Solution

The fourth proportional to 145,531.96, 218,297.74 and 45,699.92 is: 68,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,531.96 : 218,297.74 = 45,699.92 : x
  2. Step 2: Convert to fraction form
    145,531.96/218,297.74 = 45,699.92/x
  3. Step 3: Cross multiply
    145,531.96x = 218,297.74 × 45,699.92
  4. Step 4: Simplify right side
    145,531.96x = 9,976,189,254.18
  5. Step 5: Solve for x
    x = 9,976,189,254.18/145,531.96
  6. Step 6: Final answer
    x = 68,549.82

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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.