Home / 255,681.13-383,577.05-97,909.59

Finding the Fourth Proportional to 255,681.13, 383,577.05 and 97,909.59

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Solution

The fourth proportional to 255,681.13, 383,577.05 and 97,909.59 is: 146,885.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,681.13 : 383,577.05 = 97,909.59 : x
  2. Step 2: Convert to fraction form
    255,681.13/383,577.05 = 97,909.59/x
  3. Step 3: Cross multiply
    255,681.13x = 383,577.05 × 97,909.59
  4. Step 4: Simplify right side
    255,681.13x = 37,555,871,698.91
  5. Step 5: Solve for x
    x = 37,555,871,698.91/255,681.13
  6. Step 6: Final answer
    x = 146,885.58

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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.