Home / 145,714.81-218,562.18-89,563.59

Finding the Fourth Proportional to 145,714.81, 218,562.18 and 89,563.59

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Solution

The fourth proportional to 145,714.81, 218,562.18 and 89,563.59 is: 134,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,714.81 : 218,562.18 = 89,563.59 : x
  2. Step 2: Convert to fraction form
    145,714.81/218,562.18 = 89,563.59/x
  3. Step 3: Cross multiply
    145,714.81x = 218,562.18 × 89,563.59
  4. Step 4: Simplify right side
    145,714.81x = 19,575,213,479.03
  5. Step 5: Solve for x
    x = 19,575,213,479.03/145,714.81
  6. Step 6: Final answer
    x = 134,339.22

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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.